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1 #LyX 2.1 created this file. For more info see http://www.lyx.org/
2 \lyxformat 474
3 \begin_document
4 \begin_header
5 \textclass article
6 \begin_preamble
7 \usepackage[all, knot]{xy}
8 \xyoption{arc} 
9 \usepackage{qtree}
10 \usepackage{tipa}
11 \usepackage{pstricks}
12 \usepackage{pst-plot}
13 \usepackage{rotating}
14 \usepackage{tikz}
15 \usetikzlibrary{scopes}
16 \end_preamble
17 \use_default_options false
18 \maintain_unincluded_children false
19 \language english
20 \language_package default
21 \inputencoding auto
22 \fontencoding global
23 \font_roman lmodern
24 \font_sans default
25 \font_typewriter default
26 \font_math auto
27 \font_default_family default
28 \use_non_tex_fonts false
29 \font_sc false
30 \font_osf false
31 \font_sf_scale 100
32 \font_tt_scale 100
33 \graphics default
34 \default_output_format pdf
35 \output_sync 0
36 \bibtex_command default
37 \index_command default
38 \paperfontsize default
39 \spacing single
40 \use_hyperref false
41 \papersize default
42 \use_geometry false
43 \use_package amsmath 1
44 \use_package amssymb 1
45 \use_package cancel 0
46 \use_package esint 1
47 \use_package mathdots 1
48 \use_package mathtools 0
49 \use_package mhchem 1
50 \use_package stackrel 0
51 \use_package stmaryrd 0
52 \use_package undertilde 0
53 \cite_engine basic
54 \cite_engine_type default
55 \biblio_style plain
56 \use_bibtopic false
57 \use_indices false
58 \paperorientation portrait
59 \suppress_date false
60 \justification true
61 \use_refstyle 0
62 \index Index
63 \shortcut idx
64 \color #008000
65 \end_index
66 \secnumdepth 3
67 \tocdepth 3
68 \paragraph_separation indent
69 \paragraph_indentation default
70 \quotes_language english
71 \papercolumns 1
72 \papersides 1
73 \paperpagestyle default
74 \tracking_changes false
75 \output_changes false
76 \html_math_output 0
77 \html_css_as_file 0
78 \html_be_strict true
79 \end_header
80
81 \begin_body
82
83 \begin_layout Section
84 Introduction
85 \end_layout
86
87 \begin_layout Standard
88 In order to properly typeset the document and have instant preview working,
89  the following packages have to be installed:
90 \end_layout
91
92 \begin_layout LyX-Code
93 xy, qtree, tipa, pstricks, pst-plot, rotating, tikz, pgf
94 \end_layout
95
96 \begin_layout Standard
97 Due to the use of postscript specials in Section 
98 \begin_inset CommandInset ref
99 LatexCommand ref
100 reference "sec:PSTricks"
101
102 \end_inset
103
104 , only the Postscript or PDF (ps2pdf) output formats will correctly render
105  the included images.
106  However, the PDF (XeTeX) output seems to also work, while trying to typeset
107  the document with 
108 \family typewriter
109 pdflatex
110 \family default
111  or 
112 \family typewriter
113 pdflualatex
114 \family default
115  will generate errors.
116 \end_layout
117
118 \begin_layout Section
119 Diagrams by XY(-pic)
120 \end_layout
121
122 \begin_layout Standard
123 Few examples of diagrams were taken from Aaron Landa's archive of xy-pic
124  examples, see 
125 \begin_inset Flex URL
126 status collapsed
127
128 \begin_layout Plain Layout
129
130 http://www.math.columbia.edu/~lauda/xy/
131 \end_layout
132
133 \end_inset
134
135 .
136 \end_layout
137
138 \begin_layout Description
139 Braid
140 \end_layout
141
142 \begin_layout Standard
143 \begin_inset Preview
144
145 \begin_layout Standard
146 \begin_inset ERT
147 status collapsed
148
149 \begin_layout Plain Layout
150
151
152 \backslash
153 xy
154 \end_layout
155
156 \begin_layout Plain Layout
157
158 (5,10)*{}; (-10,-10)*{} **
159 \backslash
160 crv{(6,-2)&(-12,4)}
161 \end_layout
162
163 \begin_layout Plain Layout
164
165
166 \backslash
167 POS?(.25)*{
168 \backslash
169 hole}="x" 
170 \backslash
171 POS?(.45)*{
172 \backslash
173 hole}="y" 
174 \backslash
175 POS?(.6)*{
176 \backslash
177 hole}="z";
178 \end_layout
179
180 \begin_layout Plain Layout
181
182 "y"+(0,-1); (2,-10)*{} **
183 \backslash
184 crv{}
185 \backslash
186 POS?(.2)*{
187 \backslash
188 hole}="M";
189 \end_layout
190
191 \begin_layout Plain Layout
192
193 (-10,10)*{}; "z" **
194 \backslash
195 crv{(-9,0)};
196 \end_layout
197
198 \begin_layout Plain Layout
199
200 "z"; "M" **
201 \backslash
202 crv{};
203 \end_layout
204
205 \begin_layout Plain Layout
206
207 "M"; "x" **
208 \backslash
209 crv{(5,0)};
210 \end_layout
211
212 \begin_layout Plain Layout
213
214 "x"; "y" **
215 \backslash
216 crv{(0,7) & (-5,6)};
217 \end_layout
218
219 \begin_layout Plain Layout
220
221
222 \backslash
223 endxy 
224 \end_layout
225
226 \end_inset
227
228
229 \end_layout
230
231 \end_inset
232
233
234 \end_layout
235
236 \begin_layout Description
237 Knots
238 \end_layout
239
240 \begin_layout Standard
241 \begin_inset Preview
242
243 \begin_layout Standard
244 \begin_inset ERT
245 status collapsed
246
247 \begin_layout Plain Layout
248
249
250 \backslash
251 xy
252 \end_layout
253
254 \begin_layout Plain Layout
255
256 (6,9)*{}="1";
257 \end_layout
258
259 \begin_layout Plain Layout
260
261 (-8.5,-1)*{}="2";
262 \end_layout
263
264 \begin_layout Plain Layout
265
266 "1";"2" **
267 \backslash
268 crv{~*=<.5pt>{.} (0,30)}?(.75)*
269 \backslash
270 dir{>}+(-2,2)*{z};
271 \end_layout
272
273 \begin_layout Plain Layout
274
275 (-6.5,8)*{}="1";
276 \end_layout
277
278 \begin_layout Plain Layout
279
280 (-.5,-9)*{}="2";
281 \end_layout
282
283 \begin_layout Plain Layout
284
285 "1";"2" **
286 \backslash
287 crv{~*=<.5pt>{.} (-28.5,9.3)}?(.7)*
288 \backslash
289 dir{>}+(-2,-2)*{u};
290 \end_layout
291
292 \begin_layout Plain Layout
293
294 (-9.5,-3.35)*{}="1";
295 \end_layout
296
297 \begin_layout Plain Layout
298
299 (8.5,-3)*{}="2";
300 \end_layout
301
302 \begin_layout Plain Layout
303
304 "1";"2" **
305 \backslash
306 crv{~*=<.5pt>{.} (-17.67,-24.19)}?(.7)*
307 \backslash
308 dir{>}+(-1,-3)*{x};
309 \end_layout
310
311 \begin_layout Plain Layout
312
313 (1,-10)*{}="1";
314 \end_layout
315
316 \begin_layout Plain Layout
317
318 (6.5,7.13)*{}="2";
319 \end_layout
320
321 \begin_layout Plain Layout
322
323 "1";"2" **
324 \backslash
325 crv{~*=<.5pt>{.} (17.67,-24.19)}?(.7)*
326 \backslash
327 dir{>}+(3,-1)*{y};
328 \end_layout
329
330 \begin_layout Plain Layout
331
332 (11,-1)*{}="1";
333 \end_layout
334
335 \begin_layout Plain Layout
336
337 (-4,8)*{}="2";
338 \end_layout
339
340 \begin_layout Plain Layout
341
342 "1";"2" **
343 \backslash
344 crv{~*=<.5pt>{.} (28.5,9.3)}?(.93)*
345 \backslash
346 dir{>}+(1,2)*{w};
347 \end_layout
348
349 \begin_layout Plain Layout
350
351
352 \backslash
353 endxy
354 \end_layout
355
356 \end_inset
357
358
359 \end_layout
360
361 \end_inset
362
363
364 \end_layout
365
366 \begin_layout Description
367 Circles
368 \end_layout
369
370 \begin_layout Standard
371 \begin_inset Preview
372
373 \begin_layout Standard
374 \begin_inset ERT
375 status collapsed
376
377 \begin_layout Plain Layout
378
379
380 \backslash
381 xy
382 \end_layout
383
384 \begin_layout Plain Layout
385
386 (0,0)*
387 \backslash
388 xycircle(14,8){++
389 \backslash
390 dir{<}};
391 \end_layout
392
393 \begin_layout Plain Layout
394
395 (0,0)*
396 \backslash
397 xycircle<10pt>{{.}};
398 \end_layout
399
400 \begin_layout Plain Layout
401
402 (0,0)*
403 \backslash
404 xycircle(5,2){:};
405 \end_layout
406
407 \begin_layout Plain Layout
408
409 (0,15)*
410 \backslash
411 xycircle(10,4){--};
412 \end_layout
413
414 \begin_layout Plain Layout
415
416
417 \backslash
418 endxy 
419 \end_layout
420
421 \end_inset
422
423
424 \end_layout
425
426 \end_inset
427
428
429 \end_layout
430
431 \begin_layout Description
432 Cobordism
433 \end_layout
434
435 \begin_layout Standard
436 \begin_inset Preview
437
438 \begin_layout Standard
439 \begin_inset ERT
440 status collapsed
441
442 \begin_layout Plain Layout
443
444
445 \backslash
446 xy
447 \end_layout
448
449 \begin_layout Plain Layout
450
451 (0,0)*
452 \backslash
453 ellipse(3,1){.};
454 \end_layout
455
456 \begin_layout Plain Layout
457
458 (0,0)*
459 \backslash
460 ellipse(3,1)__,=:a(-180){-};
461 \end_layout
462
463 \begin_layout Plain Layout
464
465 (-6,-8)*
466 \backslash
467 ellipse(3,1){.};
468 \end_layout
469
470 \begin_layout Plain Layout
471
472 (6,-8)*
473 \backslash
474 ellipse(3,1){.};
475 \end_layout
476
477 \begin_layout Plain Layout
478
479 (0,-8)*
480 \backslash
481 ellipse(3,1){.};
482 \end_layout
483
484 \begin_layout Plain Layout
485
486 (-6,-8)*
487 \backslash
488 ellipse(3,1)__,=:a(-180){-};
489 \end_layout
490
491 \begin_layout Plain Layout
492
493 (6,-8)*
494 \backslash
495 ellipse(3,1)__,=:a(-180){-};
496 \end_layout
497
498 \begin_layout Plain Layout
499
500 (0,-8)*
501 \backslash
502 ellipse(3,1)__,=:a(180){-};
503 \end_layout
504
505 \begin_layout Plain Layout
506
507 (-3,6)*
508 \backslash
509 ellipse(3,1){-};
510 \end_layout
511
512 \begin_layout Plain Layout
513
514 (3,6)*
515 \backslash
516 ellipse(3,1){-};
517 \end_layout
518
519 \begin_layout Plain Layout
520
521 (-3,12)*{}="1";
522 \end_layout
523
524 \begin_layout Plain Layout
525
526 (3,12)*{}="2";
527 \end_layout
528
529 \begin_layout Plain Layout
530
531 (-9,12)*{}="A2";
532 \end_layout
533
534 \begin_layout Plain Layout
535
536 (9,12)*{}="B2";
537 \end_layout
538
539 \begin_layout Plain Layout
540
541 "1";"2" **
542 \backslash
543 crv{(-3,7) & (3,7)};
544 \end_layout
545
546 \begin_layout Plain Layout
547
548 (-3,0)*{}="A";
549 \end_layout
550
551 \begin_layout Plain Layout
552
553 (3,0)*{}="B";
554 \end_layout
555
556 \begin_layout Plain Layout
557
558 (-3,1)*{}="A1";
559 \end_layout
560
561 \begin_layout Plain Layout
562
563 (3,1)*{}="B1";
564 \end_layout
565
566 \begin_layout Plain Layout
567
568 "A";"A1" **
569 \backslash
570 dir{-};
571 \end_layout
572
573 \begin_layout Plain Layout
574
575 "B";"B1" **
576 \backslash
577 dir{-};
578 \end_layout
579
580 \begin_layout Plain Layout
581
582 "B2";"B1" **
583 \backslash
584 crv{(8,7) & (3,5)};
585 \end_layout
586
587 \begin_layout Plain Layout
588
589 "A2";"A1" **
590 \backslash
591 crv{(-8,7) & (-3,5)};
592 \end_layout
593
594 \begin_layout Plain Layout
595
596 %REFLECT
597 \end_layout
598
599 \begin_layout Plain Layout
600
601 (3,-16)*{}="1";
602 \end_layout
603
604 \begin_layout Plain Layout
605
606 (9,-16)*{}="2";
607 \end_layout
608
609 \begin_layout Plain Layout
610
611 "1";"2" **
612 \backslash
613 crv{(3,-10) & (9,-10)};
614 \end_layout
615
616 \begin_layout Plain Layout
617
618 (-3,-16)*{}="1";
619 \end_layout
620
621 \begin_layout Plain Layout
622
623 (-9,-16)*{}="2";
624 \end_layout
625
626 \begin_layout Plain Layout
627
628 "1";"2" **
629 \backslash
630 crv{(-3,-10) & (-9,-10)};
631 \end_layout
632
633 \begin_layout Plain Layout
634
635 (-15,-16)*{}="A2";
636 \end_layout
637
638 \begin_layout Plain Layout
639
640 (15,-16)*{}="B2";
641 \end_layout
642
643 \begin_layout Plain Layout
644
645 (-3,0)*{}="A";
646 \end_layout
647
648 \begin_layout Plain Layout
649
650 (3,0)*{}="B";
651 \end_layout
652
653 \begin_layout Plain Layout
654
655 (-3,-1)*{}="A1";
656 \end_layout
657
658 \begin_layout Plain Layout
659
660 (3,-1)*{}="B1";
661 \end_layout
662
663 \begin_layout Plain Layout
664
665 "A";"A1" **
666 \backslash
667 dir{-};
668 \end_layout
669
670 \begin_layout Plain Layout
671
672 "B";"B1" **
673 \backslash
674 dir{-};
675 \end_layout
676
677 \begin_layout Plain Layout
678
679 "B2";"B1" **
680 \backslash
681 crv{(13,-6) & (2,-8)};
682 \end_layout
683
684 \begin_layout Plain Layout
685
686 "A2";"A1" **
687 \backslash
688 crv{(-13,-6) & (-2,-8)};
689 \end_layout
690
691 \begin_layout Plain Layout
692
693
694 \backslash
695 endxy
696 \end_layout
697
698 \end_inset
699
700
701 \end_layout
702
703 \end_inset
704
705  
706 \begin_inset Preview
707
708 \begin_layout Standard
709 \begin_inset ERT
710 status collapsed
711
712 \begin_layout Plain Layout
713
714
715 \backslash
716 xy 0;/r.18pc/:
717 \end_layout
718
719 \begin_layout Plain Layout
720
721 (20,2)*{
722 \backslash
723 bullet}="RU"+(1,3)*{x^{
724 \backslash
725 ast}};
726 \end_layout
727
728 \begin_layout Plain Layout
729
730 (16,-3)*{
731 \backslash
732 bullet}="RD"+(2.5,2)*{x^{
733 \backslash
734 ast}};
735 \end_layout
736
737 \begin_layout Plain Layout
738
739 (-16,2)*{
740 \backslash
741 bullet}="LU"+(-1,2)*{x};
742 \end_layout
743
744 \begin_layout Plain Layout
745
746 (-20,-3)*{
747 \backslash
748 bullet}="LD"+(-1,2)*{x};
749 \end_layout
750
751 \begin_layout Plain Layout
752
753 "RU";"RD" **
754 \backslash
755 crv{(4,2) & (4,-1)}; ?(.1)*
756 \backslash
757 dir{<}; ?(.85)*
758 \backslash
759 dir{<};
760 \end_layout
761
762 \begin_layout Plain Layout
763
764 "LD";"LU" **
765 \backslash
766 crv{(-4,-2) & (-4,1)};
767 \end_layout
768
769 \begin_layout Plain Layout
770
771 ?(.08)*
772 \backslash
773 dir{<}; ?(.85)*
774 \backslash
775 dir{<};
776 \end_layout
777
778 \begin_layout Plain Layout
779
780 (7.5,0)*{}="x1"; (-7.5,0)*{}="x2";
781 \end_layout
782
783 \begin_layout Plain Layout
784
785 "x1"; "x2" **
786 \backslash
787 crv{(7,-10) & (-7,-10)};
788 \end_layout
789
790 \begin_layout Plain Layout
791
792 (16,-20)*{
793 \backslash
794 bullet}="RDD"+(2.5,-1)*{x^{
795 \backslash
796 ast}};
797 \end_layout
798
799 \begin_layout Plain Layout
800
801 (-20,-20)*{
802 \backslash
803 bullet}="LDD"+(-1,-3)*{x};
804 \end_layout
805
806 \begin_layout Plain Layout
807
808 (20,-12.5)*{
809 \backslash
810 bullet}="RUD"+(3.5,1)*{x^{
811 \backslash
812 ast}};
813 \end_layout
814
815 \begin_layout Plain Layout
816
817 (-16,-15)*{
818 \backslash
819 bullet}="LUD";
820 \end_layout
821
822 \begin_layout Plain Layout
823
824 (-16,-2.5)*{}="A"; (16.1,-14.9)*{}="B";
825 \end_layout
826
827 \begin_layout Plain Layout
828
829 "RD"; "RDD" **
830 \backslash
831 dir{-};
832 \end_layout
833
834 \begin_layout Plain Layout
835
836 "LD"; "LDD" **
837 \backslash
838 dir{-};
839 \end_layout
840
841 \begin_layout Plain Layout
842
843 "A"; "LUD" **
844 \backslash
845 dir{.};
846 \end_layout
847
848 \begin_layout Plain Layout
849
850 "RDD"; "LDD" **
851 \backslash
852 crv{(0,-17)}; ?(.57)*
853 \backslash
854 dir{>};
855 \end_layout
856
857 \begin_layout Plain Layout
858
859 "RU"; "RUD" **
860 \backslash
861 dir{-};
862 \end_layout
863
864 \begin_layout Plain Layout
865
866 "LU"; "A" **
867 \backslash
868 dir{-};
869 \end_layout
870
871 \begin_layout Plain Layout
872
873 "B"; "RUD" **
874 \backslash
875 crv{(18,-14.15)};
876 \end_layout
877
878 \begin_layout Plain Layout
879
880 "B"; "LUD" **
881 \backslash
882 crv{~*=<4pt>{.}(0,-18)}; ?(.4)*
883 \backslash
884 dir{<};
885 \end_layout
886
887 \begin_layout Plain Layout
888
889
890 \backslash
891 endxy
892 \end_layout
893
894 \end_inset
895
896
897 \end_layout
898
899 \end_inset
900
901
902 \end_layout
903
904 \begin_layout Description
905 Strings
906 \end_layout
907
908 \begin_layout Standard
909 \begin_inset Preview
910
911 \begin_layout Standard
912 \begin_inset ERT
913 status open
914
915 \begin_layout Plain Layout
916
917
918 \backslash
919 xy (-15,0)*{};(15,0)*{};
920 \end_layout
921
922 \begin_layout Plain Layout
923
924
925 \backslash
926 endxy
927 \end_layout
928
929 \begin_layout Plain Layout
930
931
932 \backslash
933 qquad = 
934 \backslash
935 qquad 
936 \backslash
937 xy
938 \end_layout
939
940 \begin_layout Plain Layout
941
942 (-10,12)*{}; (-10,-12)*{}; **
943 \backslash
944 dir{-}?(.5)*
945 \backslash
946 dir{<}+(-4,0)*{F(x)};
947 \end_layout
948
949 \begin_layout Plain Layout
950
951 (-2,12)*{}="1";
952 \end_layout
953
954 \begin_layout Plain Layout
955
956 (6,-7) *{}="2";
957 \end_layout
958
959 \begin_layout Plain Layout
960
961 (14,-7) *{}="3";
962 \end_layout
963
964 \begin_layout Plain Layout
965
966 (14,-13)*{}="3'";
967 \end_layout
968
969 \begin_layout Plain Layout
970
971 (18,0) *={}="";
972 \end_layout
973
974 \begin_layout Plain Layout
975
976 "1";"2" **
977 \backslash
978 crv{(-4,-21)&(5,-15)};
979 \end_layout
980
981 \begin_layout Plain Layout
982
983 ?(.15)*
984 \backslash
985 dir{<}+(5,10)*{
986 \backslash
987 overline{F(x)}};
988 \end_layout
989
990 \begin_layout Plain Layout
991
992 "2";"3" **
993 \backslash
994 crv{(6,1)&(14,1)};
995 \end_layout
996
997 \begin_layout Plain Layout
998
999 ?(0)*
1000 \backslash
1001 dir{<}+(4,8)*{
1002 \backslash
1003 widetilde{F(i_x)}} ;
1004 \end_layout
1005
1006 \begin_layout Plain Layout
1007
1008 ?(.95)*
1009 \backslash
1010 dir{<}+(5,-2)*{F(
1011 \backslash
1012 overline x)};
1013 \end_layout
1014
1015 \begin_layout Plain Layout
1016
1017 "3";"3'" **
1018 \backslash
1019 dir{-};
1020 \end_layout
1021
1022 \begin_layout Plain Layout
1023
1024 (-2,6)*{}="X1";
1025 \end_layout
1026
1027 \begin_layout Plain Layout
1028
1029 (-10,6)*{}="X2";
1030 \end_layout
1031
1032 \begin_layout Plain Layout
1033
1034 "X1";"X2" **
1035 \backslash
1036 crv{~*=<2pt>{.}(-2,-1)&(-10,-1)};
1037 \end_layout
1038
1039 \begin_layout Plain Layout
1040
1041 (-2,-6)*{}="XA";
1042 \end_layout
1043
1044 \begin_layout Plain Layout
1045
1046 (-10,-6)*{}="XB";
1047 \end_layout
1048
1049 \begin_layout Plain Layout
1050
1051 "XA";"XB" **
1052 \backslash
1053 crv{~*=<2pt>{.}(-2,1)&(-10,1)};
1054 \end_layout
1055
1056 \begin_layout Plain Layout
1057
1058
1059 \backslash
1060 endxy
1061 \end_layout
1062
1063 \end_inset
1064
1065
1066 \end_layout
1067
1068 \end_inset
1069
1070
1071 \end_layout
1072
1073 \begin_layout Description
1074 Categories
1075 \end_layout
1076
1077 \begin_layout Standard
1078 \begin_inset Preview
1079
1080 \begin_layout Standard
1081 \begin_inset ERT
1082 status collapsed
1083
1084 \begin_layout Plain Layout
1085
1086
1087 \backslash
1088 xymatrix{
1089 \end_layout
1090
1091 \begin_layout Plain Layout
1092
1093 (x 
1094 \backslash
1095 otimes 1) 
1096 \backslash
1097 otimes y
1098 \end_layout
1099
1100 \begin_layout Plain Layout
1101
1102
1103 \backslash
1104 ar[rr]^{a_{x,1,y}}
1105 \end_layout
1106
1107 \begin_layout Plain Layout
1108
1109
1110 \backslash
1111 ar[dr]_{r_x 
1112 \backslash
1113 otimes 1_y}
1114 \end_layout
1115
1116 \begin_layout Plain Layout
1117
1118 && x 
1119 \backslash
1120 otimes(1 
1121 \backslash
1122 otimes y)
1123 \end_layout
1124
1125 \begin_layout Plain Layout
1126
1127
1128 \backslash
1129 ar[dl]^{1_x 
1130 \backslash
1131 otimes
1132 \backslash
1133 ell_y } 
1134 \backslash
1135
1136 \backslash
1137
1138 \end_layout
1139
1140 \begin_layout Plain Layout
1141
1142 & x 
1143 \backslash
1144 otimes y }
1145 \end_layout
1146
1147 \end_inset
1148
1149
1150 \end_layout
1151
1152 \end_inset
1153
1154  
1155 \begin_inset Preview
1156
1157 \begin_layout Standard
1158 \begin_inset ERT
1159 status collapsed
1160
1161 \begin_layout Plain Layout
1162
1163
1164 \backslash
1165 xy
1166 \end_layout
1167
1168 \begin_layout Plain Layout
1169
1170 (-9,0)*+{
1171 \backslash
1172 bullet}="1";
1173 \end_layout
1174
1175 \begin_layout Plain Layout
1176
1177 (0,0)*+{
1178 \backslash
1179 bullet}="2";
1180 \end_layout
1181
1182 \begin_layout Plain Layout
1183
1184 {
1185 \backslash
1186 ar@/^.9pc/ "1";"2"};
1187 \end_layout
1188
1189 \begin_layout Plain Layout
1190
1191 {
1192 \backslash
1193 ar@/_.9pc/ "1";"2"};
1194 \end_layout
1195
1196 \begin_layout Plain Layout
1197
1198 {
1199 \backslash
1200 ar@/^2pc/ "1";"2"};
1201 \end_layout
1202
1203 \begin_layout Plain Layout
1204
1205 {
1206 \backslash
1207 ar@/_2pc/ "1";"2"};
1208 \end_layout
1209
1210 \begin_layout Plain Layout
1211
1212 {
1213 \backslash
1214 ar@{=>} (-4.5,1.5)*{};(-4.5,-1.5)*{}} ;
1215 \end_layout
1216
1217 \begin_layout Plain Layout
1218
1219 {
1220 \backslash
1221 ar@{=>} (-4.5,7.25)*{};(-4.5,4.75)*{}} ;
1222 \end_layout
1223
1224 \begin_layout Plain Layout
1225
1226 {
1227 \backslash
1228 ar@{=>} (-4.5,-4.75)*{};(-4.5,-7.25)*{}} ;
1229 \end_layout
1230
1231 \begin_layout Plain Layout
1232
1233 (0,0)*+{
1234 \backslash
1235 bullet}="1";
1236 \end_layout
1237
1238 \begin_layout Plain Layout
1239
1240 (9,0)*+{
1241 \backslash
1242 bullet}="2";
1243 \end_layout
1244
1245 \begin_layout Plain Layout
1246
1247 (18,0)*+{
1248 \backslash
1249 bullet}="3";
1250 \end_layout
1251
1252 \begin_layout Plain Layout
1253
1254 {
1255 \backslash
1256 ar "1";"2"};
1257 \end_layout
1258
1259 \begin_layout Plain Layout
1260
1261 {
1262 \backslash
1263 ar "2";"3"};
1264 \end_layout
1265
1266 \begin_layout Plain Layout
1267
1268 {
1269 \backslash
1270 ar@/^1pc/ "1";"2"};
1271 \end_layout
1272
1273 \begin_layout Plain Layout
1274
1275 {
1276 \backslash
1277 ar@/_1pc/ "1";"2"};
1278 \end_layout
1279
1280 \begin_layout Plain Layout
1281
1282 {
1283 \backslash
1284 ar@{=>} (4.5,3)*{};(4.5,.75)*{}} ;
1285 \end_layout
1286
1287 \begin_layout Plain Layout
1288
1289 {
1290 \backslash
1291 ar@{=>} (4.5,-.75)*{};(4.5,-3)*{}} ;
1292 \end_layout
1293
1294 \begin_layout Plain Layout
1295
1296
1297 \backslash
1298 endxy 
1299 \end_layout
1300
1301 \end_inset
1302
1303
1304 \end_layout
1305
1306 \end_inset
1307
1308
1309 \end_layout
1310
1311 \begin_layout Description
1312 Transformations
1313 \end_layout
1314
1315 \begin_layout Standard
1316 \begin_inset Preview
1317
1318 \begin_layout Standard
1319 \begin_inset ERT
1320 status collapsed
1321
1322 \begin_layout Plain Layout
1323
1324
1325 \backslash
1326 xy %FIG.19.
1327  Natural transformation between functors.
1328 \end_layout
1329
1330 \begin_layout Plain Layout
1331
1332 (-26,-2)*+{
1333 \backslash
1334 bullet}="a";
1335 \end_layout
1336
1337 \begin_layout Plain Layout
1338
1339 (-12,3)*+{
1340 \backslash
1341 bullet}="b";
1342 \end_layout
1343
1344 \begin_layout Plain Layout
1345
1346 (-16,-5)*+{
1347 \backslash
1348 bullet}="c";
1349 \end_layout
1350
1351 \begin_layout Plain Layout
1352
1353 {
1354 \backslash
1355 ar@/^.25pc/ "a";"b"};
1356 \end_layout
1357
1358 \begin_layout Plain Layout
1359
1360 {
1361 \backslash
1362 ar@/_.25pc/"a";"c"};
1363 \end_layout
1364
1365 \begin_layout Plain Layout
1366
1367 {
1368 \backslash
1369 ar@/_.15pc/ "b";"c"};
1370 \end_layout
1371
1372 \begin_layout Plain Layout
1373
1374 %START TOP
1375 \end_layout
1376
1377 \begin_layout Plain Layout
1378
1379 (12,10)*+{
1380 \backslash
1381 bullet}="ta";
1382 \end_layout
1383
1384 \begin_layout Plain Layout
1385
1386 (26,15)*+{
1387 \backslash
1388 bullet}="tb";
1389 \end_layout
1390
1391 \begin_layout Plain Layout
1392
1393 (22,8)*+{
1394 \backslash
1395 bullet}="tc";
1396 \end_layout
1397
1398 \begin_layout Plain Layout
1399
1400 {
1401 \backslash
1402 ar@/^.25pc/ "ta";"tb"};
1403 \end_layout
1404
1405 \begin_layout Plain Layout
1406
1407 {
1408 \backslash
1409 ar@/_.25pc/ "ta";"tc"};
1410 \end_layout
1411
1412 \begin_layout Plain Layout
1413
1414 {
1415 \backslash
1416 ar@/_.15pc/ "tb";"tc"};
1417 \end_layout
1418
1419 \begin_layout Plain Layout
1420
1421 %START bottom
1422 \end_layout
1423
1424 \begin_layout Plain Layout
1425
1426 (12,-10)*+{
1427 \backslash
1428 bullet}="ba";
1429 \end_layout
1430
1431 \begin_layout Plain Layout
1432
1433 (26,-5)*+{
1434 \backslash
1435 bullet}="bb";
1436 \end_layout
1437
1438 \begin_layout Plain Layout
1439
1440 (22,-12)*+{
1441 \backslash
1442 bullet}="bc";
1443 \end_layout
1444
1445 \begin_layout Plain Layout
1446
1447 {
1448 \backslash
1449 ar@/^.25pc/@{.>} "ba";"bb"};
1450 \end_layout
1451
1452 \begin_layout Plain Layout
1453
1454 {
1455 \backslash
1456 ar@/_.25pc/ "ba";"bc"};
1457 \end_layout
1458
1459 \begin_layout Plain Layout
1460
1461 {
1462 \backslash
1463 ar@/_.15pc/ "bb";"bc"};
1464 \end_layout
1465
1466 \begin_layout Plain Layout
1467
1468 %START CONNECT
1469 \end_layout
1470
1471 \begin_layout Plain Layout
1472
1473 {
1474 \backslash
1475 ar@/_.15pc/ "ta";"ba"};
1476 \end_layout
1477
1478 \begin_layout Plain Layout
1479
1480 {
1481 \backslash
1482 ar@/_.15pc/ "tb";"bb"};
1483 \end_layout
1484
1485 \begin_layout Plain Layout
1486
1487 {
1488 \backslash
1489 ar@/_.15pc/ "tc";"bc"};
1490 \end_layout
1491
1492 \begin_layout Plain Layout
1493
1494 %START ARROWS AND LABELS
1495 \end_layout
1496
1497 \begin_layout Plain Layout
1498
1499 (-12,6)*{}="DF";
1500 \end_layout
1501
1502 \begin_layout Plain Layout
1503
1504 (6,10)*{}="CF";
1505 \end_layout
1506
1507 \begin_layout Plain Layout
1508
1509 {
1510 \backslash
1511 ar@/^.35pc/^F "DF";"CF"};
1512 \end_layout
1513
1514 \begin_layout Plain Layout
1515
1516 (-12,-6)*{}="DF";
1517 \end_layout
1518
1519 \begin_layout Plain Layout
1520
1521 (6,-10)*{}="CF";
1522 \end_layout
1523
1524 \begin_layout Plain Layout
1525
1526 {
1527 \backslash
1528 ar@/_.35pc/_G "DF";"CF"};
1529 \end_layout
1530
1531 \begin_layout Plain Layout
1532
1533 (-2,5)*{}="DF";
1534 \end_layout
1535
1536 \begin_layout Plain Layout
1537
1538 (-2,-5)*{}="CF";
1539 \end_layout
1540
1541 \begin_layout Plain Layout
1542
1543 {
1544 \backslash
1545 ar@{=>}^{
1546 \backslash
1547 alpha} "DF";"CF"};
1548 \end_layout
1549
1550 \begin_layout Plain Layout
1551
1552 (29,3)*{D};
1553 \end_layout
1554
1555 \begin_layout Plain Layout
1556
1557 (-23,3)*{C};
1558 \end_layout
1559
1560 \begin_layout Plain Layout
1561
1562
1563 \backslash
1564 endxy 
1565 \end_layout
1566
1567 \end_inset
1568
1569
1570 \end_layout
1571
1572 \end_inset
1573
1574
1575 \end_layout
1576
1577 \begin_layout Section
1578 IPA
1579 \end_layout
1580
1581 \begin_layout Standard
1582 \begin_inset Preview
1583
1584 \begin_layout Standard
1585 \begin_inset ERT
1586 status collapsed
1587
1588 \begin_layout Plain Layout
1589
1590
1591 \backslash
1592 textipa{Ekspl@"neIS@n}
1593 \end_layout
1594
1595 \end_inset
1596
1597
1598 \end_layout
1599
1600 \end_inset
1601
1602
1603 \end_layout
1604
1605 \begin_layout Section
1606 QTree
1607 \end_layout
1608
1609 \begin_layout Standard
1610 \begin_inset Preview
1611
1612 \begin_layout Standard
1613 \begin_inset ERT
1614 status collapsed
1615
1616 \begin_layout Plain Layout
1617
1618
1619 \backslash
1620 Tree[.S [.N This ] [.V is ] [.NP [.Det a ] [.N test ] ] ] 
1621 \end_layout
1622
1623 \end_inset
1624
1625
1626 \end_layout
1627
1628 \end_inset
1629
1630
1631 \begin_inset Preview
1632
1633 \begin_layout Standard
1634 \begin_inset ERT
1635 status collapsed
1636
1637 \begin_layout Plain Layout
1638
1639
1640 \backslash
1641 Tree [.$
1642 \backslash
1643 sigma$ $
1644 \backslash
1645 mu$ $
1646 \backslash
1647 mu$ ]
1648 \end_layout
1649
1650 \end_inset
1651
1652
1653 \end_layout
1654
1655 \end_inset
1656
1657
1658 \end_layout
1659
1660 \begin_layout Section
1661 PSTricks
1662 \begin_inset CommandInset label
1663 LatexCommand label
1664 name "sec:PSTricks"
1665
1666 \end_inset
1667
1668
1669 \end_layout
1670
1671 \begin_layout Standard
1672 Some simple graphing examples.
1673 \end_layout
1674
1675 \begin_layout Subsection
1676 Function plotting
1677 \end_layout
1678
1679 \begin_layout Standard
1680 \begin_inset Preview
1681
1682 \begin_layout Standard
1683 \begin_inset ERT
1684 status open
1685
1686 \begin_layout Plain Layout
1687
1688
1689 \backslash
1690 begin{pspicture*}(-1,-3.5)(10.5,3.5)
1691 \end_layout
1692
1693 \begin_layout Plain Layout
1694
1695
1696 \backslash
1697 psaxes{->}(0,0)(0,-3)(10,3)
1698 \end_layout
1699
1700 \begin_layout Plain Layout
1701
1702
1703 \backslash
1704 uput[-90](10,0){$x$}
1705 \backslash
1706 uput[0](0,3){$f(x)$}
1707 \end_layout
1708
1709 \begin_layout Plain Layout
1710
1711
1712 \backslash
1713 psplot[linecolor=red,linewidth=1pt]{0.1}{10}{ x ln }
1714 \end_layout
1715
1716 \begin_layout Plain Layout
1717
1718
1719 \backslash
1720 end{pspicture*}
1721 \end_layout
1722
1723 \end_inset
1724
1725
1726 \end_layout
1727
1728 \end_inset
1729
1730
1731 \end_layout
1732
1733 \begin_layout Subsection
1734 Inline data plotting
1735 \end_layout
1736
1737 \begin_layout Standard
1738 \align center
1739 \begin_inset Preview
1740
1741 \begin_layout Standard
1742 \align center
1743 \begin_inset ERT
1744 status open
1745
1746 \begin_layout Plain Layout
1747
1748
1749 \backslash
1750 begin{pspicture*}(-1.5,-1.5)(11,5)
1751 \end_layout
1752
1753 \begin_layout Plain Layout
1754
1755
1756 \backslash
1757 psaxes{->}(0,0)(0,0)(10,5)
1758 \end_layout
1759
1760 \begin_layout Plain Layout
1761
1762
1763 \backslash
1764 psset{linewidth=2.5pt}
1765 \end_layout
1766
1767 \begin_layout Plain Layout
1768
1769
1770 \backslash
1771 rput(5.0,-1.0){Speed [MPH]}
1772 \end_layout
1773
1774 \begin_layout Plain Layout
1775
1776
1777 \backslash
1778 rput(-1.0,1.0){
1779 \backslash
1780 begin{rotate}{90}Cost [Dollars]
1781 \backslash
1782 end{rotate}}
1783 \end_layout
1784
1785 \begin_layout Plain Layout
1786
1787
1788 \backslash
1789 savedata{
1790 \backslash
1791 mydata}[{{0,0},{1.3,0.32},{5.5,1.1},{6.5,1.15},{8.1,1.28},{10,4}}]
1792 \end_layout
1793
1794 \begin_layout Plain Layout
1795
1796
1797 \backslash
1798 dataplot[plotstyle=curve,showpoints=true,dotstyle=triangle,linecolor=blue]{
1799 \backslash
1800 mydata} 
1801 \end_layout
1802
1803 \begin_layout Plain Layout
1804
1805
1806 \backslash
1807 end{pspicture*}
1808 \end_layout
1809
1810 \end_inset
1811
1812
1813 \end_layout
1814
1815 \end_inset
1816
1817
1818 \end_layout
1819
1820 \begin_layout Subsection
1821 Lissajous curves
1822 \end_layout
1823
1824 \begin_layout Standard
1825 \begin_inset Preview
1826
1827 \begin_layout Standard
1828 \begin_inset ERT
1829 status open
1830
1831 \begin_layout Plain Layout
1832
1833
1834 \backslash
1835 begin{pspicture*}(-1.1,-1.1)(1.1,1.1)
1836 \end_layout
1837
1838 \begin_layout Plain Layout
1839
1840
1841 \backslash
1842 parametricplot[plotstyle=line,plotpoints=50,linecolor=red]{0}{8}{50 t mul
1843  cos 100 t mul sin}
1844 \end_layout
1845
1846 \begin_layout Plain Layout
1847
1848
1849 \backslash
1850 end{pspicture*}
1851 \end_layout
1852
1853 \end_inset
1854
1855
1856 \end_layout
1857
1858 \end_inset
1859
1860
1861 \begin_inset space \hfill{}
1862 \end_inset
1863
1864
1865 \begin_inset Preview
1866
1867 \begin_layout Standard
1868 \begin_inset ERT
1869 status open
1870
1871 \begin_layout Plain Layout
1872
1873
1874 \backslash
1875 begin{pspicture*}(-1.1,-1.1)(1.1,1.1)
1876 \end_layout
1877
1878 \begin_layout Plain Layout
1879
1880
1881 \backslash
1882 parametricplot[plotstyle=line,plotpoints=100,linecolor=red]{0}{8}{150 t
1883  mul cos 100 t mul sin}
1884 \end_layout
1885
1886 \begin_layout Plain Layout
1887
1888
1889 \backslash
1890 end{pspicture*}
1891 \end_layout
1892
1893 \end_inset
1894
1895
1896 \end_layout
1897
1898 \end_inset
1899
1900
1901 \begin_inset space \hfill{}
1902 \end_inset
1903
1904
1905 \begin_inset Preview
1906
1907 \begin_layout Standard
1908 \begin_inset ERT
1909 status open
1910
1911 \begin_layout Plain Layout
1912
1913
1914 \backslash
1915 begin{pspicture*}(-1.1,-1.1)(1.1,1.1)
1916 \end_layout
1917
1918 \begin_layout Plain Layout
1919
1920
1921 \backslash
1922 parametricplot[plotstyle=line,plotpoints=150,linecolor=red]{0}{8}{150 t
1923  mul cos 200 t mul sin}
1924 \end_layout
1925
1926 \begin_layout Plain Layout
1927
1928
1929 \backslash
1930 end{pspicture*}
1931 \end_layout
1932
1933 \end_inset
1934
1935
1936 \end_layout
1937
1938 \end_inset
1939
1940
1941 \begin_inset space \hfill{}
1942 \end_inset
1943
1944
1945 \begin_inset Preview
1946
1947 \begin_layout Standard
1948 \begin_inset ERT
1949 status open
1950
1951 \begin_layout Plain Layout
1952
1953
1954 \backslash
1955 begin{pspicture*}(-1.1,-1.1)(1.1,1.1)
1956 \end_layout
1957
1958 \begin_layout Plain Layout
1959
1960
1961 \backslash
1962 parametricplot[plotstyle=line,plotpoints=200,linecolor=red]{0}{8}{250 t
1963  mul cos 200 t mul sin}
1964 \end_layout
1965
1966 \begin_layout Plain Layout
1967
1968
1969 \backslash
1970 end{pspicture*}
1971 \end_layout
1972
1973 \end_inset
1974
1975
1976 \end_layout
1977
1978 \end_inset
1979
1980
1981 \end_layout
1982
1983 \begin_layout Section
1984 TikZ
1985 \end_layout
1986
1987 \begin_layout Standard
1988 \begin_inset Flex URL
1989 status collapsed
1990
1991 \begin_layout Plain Layout
1992
1993 http://www.texample.net/media/tikz/examples/TEX/free-body-diagrams.tex
1994 \end_layout
1995
1996 \end_inset
1997
1998
1999 \end_layout
2000
2001 \begin_layout Standard
2002 \begin_inset Preview
2003
2004 \begin_layout Standard
2005 \begin_inset ERT
2006 status collapsed
2007
2008 \begin_layout Plain Layout
2009
2010
2011 \backslash
2012 def
2013 \backslash
2014 iangle{35} % Angle of the inclined plane
2015 \end_layout
2016
2017 \begin_layout Plain Layout
2018
2019
2020 \backslash
2021 def
2022 \backslash
2023 down{-90}
2024 \end_layout
2025
2026 \begin_layout Plain Layout
2027
2028
2029 \backslash
2030 def
2031 \backslash
2032 arcr{0.5cm} % Radius of the arc used to indicate angles
2033 \end_layout
2034
2035 \begin_layout Plain Layout
2036
2037 \end_layout
2038
2039 \begin_layout Plain Layout
2040
2041
2042 \backslash
2043 begin{tikzpicture}[
2044 \end_layout
2045
2046 \begin_layout Plain Layout
2047
2048     force/.style={>=latex,draw=blue,fill=blue},
2049 \end_layout
2050
2051 \begin_layout Plain Layout
2052
2053     axis/.style={densely dashed,gray,font=
2054 \backslash
2055 small},
2056 \end_layout
2057
2058 \begin_layout Plain Layout
2059
2060     M/.style={rectangle,draw,fill=lightgray,minimum size=0.5cm,thin},
2061 \end_layout
2062
2063 \begin_layout Plain Layout
2064
2065     m/.style={rectangle,draw=black,fill=lightgray,minimum size=0.3cm,thin},
2066 \end_layout
2067
2068 \begin_layout Plain Layout
2069
2070     plane/.style={draw=black,fill=blue!10},
2071 \end_layout
2072
2073 \begin_layout Plain Layout
2074
2075     string/.style={draw=red, thick},
2076 \end_layout
2077
2078 \begin_layout Plain Layout
2079
2080     pulley/.style={thick},
2081 \end_layout
2082
2083 \begin_layout Plain Layout
2084
2085 ]
2086 \end_layout
2087
2088 \begin_layout Plain Layout
2089
2090 \end_layout
2091
2092 \begin_layout Plain Layout
2093
2094
2095 \backslash
2096 matrix[column sep=1cm] {
2097 \end_layout
2098
2099 \begin_layout Plain Layout
2100
2101     %% Sketch
2102 \end_layout
2103
2104 \begin_layout Plain Layout
2105
2106     
2107 \backslash
2108 draw[plane] (0,-1) coordinate (base)
2109 \end_layout
2110
2111 \begin_layout Plain Layout
2112
2113                      -- coordinate[pos=0.5] (mid) ++(
2114 \backslash
2115 iangle:3) coordinate (top)
2116 \end_layout
2117
2118 \begin_layout Plain Layout
2119
2120                      |- (base) -- cycle;
2121 \end_layout
2122
2123 \begin_layout Plain Layout
2124
2125     
2126 \backslash
2127 path (mid) node[M,rotate=
2128 \backslash
2129 iangle,yshift=0.25cm] (M) {};
2130 \end_layout
2131
2132 \begin_layout Plain Layout
2133
2134     
2135 \backslash
2136 draw[pulley] (top) -- ++(
2137 \backslash
2138 iangle:0.25) circle (0.25cm)
2139 \end_layout
2140
2141 \begin_layout Plain Layout
2142
2143                    ++ (90-
2144 \backslash
2145 iangle:0.5) coordinate (pulley);
2146 \end_layout
2147
2148 \begin_layout Plain Layout
2149
2150     
2151 \backslash
2152 draw[string] (M.east) -- ++(
2153 \backslash
2154 iangle:1.5cm) arc (90+
2155 \backslash
2156 iangle:0:0.25)
2157 \end_layout
2158
2159 \begin_layout Plain Layout
2160
2161                   -- ++(0,-1) node[m] {};
2162 \end_layout
2163
2164 \begin_layout Plain Layout
2165
2166 \end_layout
2167
2168 \begin_layout Plain Layout
2169
2170     
2171 \backslash
2172 draw[->] (base)++(
2173 \backslash
2174 arcr,0) arc (0:
2175 \backslash
2176 iangle:
2177 \backslash
2178 arcr);
2179 \end_layout
2180
2181 \begin_layout Plain Layout
2182
2183     
2184 \backslash
2185 path (base)++(
2186 \backslash
2187 iangle*0.5:
2188 \backslash
2189 arcr+5pt) node {$
2190 \backslash
2191 alpha$};
2192 \end_layout
2193
2194 \begin_layout Plain Layout
2195
2196     %%
2197 \end_layout
2198
2199 \begin_layout Plain Layout
2200
2201 \end_layout
2202
2203 \begin_layout Plain Layout
2204
2205 &
2206 \end_layout
2207
2208 \begin_layout Plain Layout
2209
2210     %% Free body diagram of M
2211 \end_layout
2212
2213 \begin_layout Plain Layout
2214
2215     
2216 \backslash
2217 begin{scope}[rotate=
2218 \backslash
2219 iangle]
2220 \end_layout
2221
2222 \begin_layout Plain Layout
2223
2224         
2225 \backslash
2226 node[M,transform shape] (M) {};
2227 \end_layout
2228
2229 \begin_layout Plain Layout
2230
2231         % Draw axes and help lines
2232 \end_layout
2233
2234 \begin_layout Plain Layout
2235
2236 \end_layout
2237
2238 \begin_layout Plain Layout
2239
2240         {[axis,->]
2241 \end_layout
2242
2243 \begin_layout Plain Layout
2244
2245             
2246 \backslash
2247 draw (0,-1) -- (0,2) node[right] {$+y$};
2248 \end_layout
2249
2250 \begin_layout Plain Layout
2251
2252             
2253 \backslash
2254 draw (M) -- ++(2,0) node[right] {$+x$};
2255 \end_layout
2256
2257 \begin_layout Plain Layout
2258
2259             % Indicate angle.
2260  The code is a bit awkward.
2261 \end_layout
2262
2263 \begin_layout Plain Layout
2264
2265 \end_layout
2266
2267 \begin_layout Plain Layout
2268
2269             
2270 \backslash
2271 draw[solid,shorten >=0.5pt] (
2272 \backslash
2273 down-
2274 \backslash
2275 iangle:
2276 \backslash
2277 arcr)
2278 \end_layout
2279
2280 \begin_layout Plain Layout
2281
2282                 arc(
2283 \backslash
2284 down-
2285 \backslash
2286 iangle:
2287 \backslash
2288 down:
2289 \backslash
2290 arcr);
2291 \end_layout
2292
2293 \begin_layout Plain Layout
2294
2295             
2296 \backslash
2297 node at (
2298 \backslash
2299 down-0.5*
2300 \backslash
2301 iangle:1.3*
2302 \backslash
2303 arcr) {$
2304 \backslash
2305 alpha$};
2306 \end_layout
2307
2308 \begin_layout Plain Layout
2309
2310         }
2311 \end_layout
2312
2313 \begin_layout Plain Layout
2314
2315 \end_layout
2316
2317 \begin_layout Plain Layout
2318
2319         % Forces
2320 \end_layout
2321
2322 \begin_layout Plain Layout
2323
2324         {[force,->]
2325 \end_layout
2326
2327 \begin_layout Plain Layout
2328
2329             % Assuming that Mg = 1.
2330  The normal force will therefore be cos(alpha)
2331 \end_layout
2332
2333 \begin_layout Plain Layout
2334
2335             
2336 \backslash
2337 draw (M.center) -- ++(0,{cos(
2338 \backslash
2339 iangle)}) node[above right] {$N$};
2340 \end_layout
2341
2342 \begin_layout Plain Layout
2343
2344             
2345 \backslash
2346 draw (M.west) -- ++(-1,0) node[left] {$f_R$};
2347 \end_layout
2348
2349 \begin_layout Plain Layout
2350
2351             
2352 \backslash
2353 draw (M.east) -- ++(1,0) node[above] {$T$};
2354 \end_layout
2355
2356 \begin_layout Plain Layout
2357
2358         }
2359 \end_layout
2360
2361 \begin_layout Plain Layout
2362
2363 \end_layout
2364
2365 \begin_layout Plain Layout
2366
2367     
2368 \backslash
2369 end{scope}
2370 \end_layout
2371
2372 \begin_layout Plain Layout
2373
2374     % Draw gravity force.
2375  The code is put outside the rotated
2376 \end_layout
2377
2378 \begin_layout Plain Layout
2379
2380     % scope for simplicity.
2381  No need to do any angle calculations.
2382  
2383 \end_layout
2384
2385 \begin_layout Plain Layout
2386
2387     
2388 \backslash
2389 draw[force,->] (M.center) -- ++(0,-1) node[below] {$Mg$};
2390 \end_layout
2391
2392 \begin_layout Plain Layout
2393
2394     %%
2395 \end_layout
2396
2397 \begin_layout Plain Layout
2398
2399 \end_layout
2400
2401 \begin_layout Plain Layout
2402
2403 &
2404 \end_layout
2405
2406 \begin_layout Plain Layout
2407
2408     %%%
2409 \end_layout
2410
2411 \begin_layout Plain Layout
2412
2413     % Free body diagram of m
2414 \end_layout
2415
2416 \begin_layout Plain Layout
2417
2418     
2419 \backslash
2420 node[m] (m) {};
2421 \end_layout
2422
2423 \begin_layout Plain Layout
2424
2425     
2426 \backslash
2427 draw[axis,->] (m) -- ++(0,-2) node[left] {$+$};
2428 \end_layout
2429
2430 \begin_layout Plain Layout
2431
2432     {[force,->]
2433 \end_layout
2434
2435 \begin_layout Plain Layout
2436
2437         
2438 \backslash
2439 draw (m.north) -- ++(0,1) node[above] {$T'$};
2440 \end_layout
2441
2442 \begin_layout Plain Layout
2443
2444         
2445 \backslash
2446 draw (m.south) -- ++(0,-1) node[right] {$mg$};
2447 \end_layout
2448
2449 \begin_layout Plain Layout
2450
2451     }
2452 \end_layout
2453
2454 \begin_layout Plain Layout
2455
2456 \end_layout
2457
2458 \begin_layout Plain Layout
2459
2460
2461 \backslash
2462
2463 \backslash
2464
2465 \end_layout
2466
2467 \begin_layout Plain Layout
2468
2469 };
2470 \end_layout
2471
2472 \begin_layout Plain Layout
2473
2474
2475 \backslash
2476 end{tikzpicture}
2477 \end_layout
2478
2479 \begin_layout Plain Layout
2480
2481 \end_layout
2482
2483 \end_inset
2484
2485
2486 \end_layout
2487
2488 \end_inset
2489
2490
2491 \end_layout
2492
2493 \end_body
2494 \end_document