Présentation de rotation_repere.jps

/syracuse/bbgraf/albums/gh/rotation_repere.jpg
%% auteur : gh 70 setxunit -2 3 setxrange -1 3 setyrange /cosa {pi 6 div Cos} def /sina {pi 6 div Sin} def /O {0 0} def /A {cosa sina} def /B {0 sina sub cosa} def /M {2 cosa mul 2 sina mul} def /Mx {2 cosa mul 0} def /My {0 2 sina mul} def tracerepere 16 setfontsize setTimesItalic (O) O dltext <tex> $$ \vec{\imath } $$ </tex> 0.5 0 [1.5 1.5] dctexlabel <tex> $$ \vec{\jmath } $$ </tex> 0 0.5 [1.5 1.5] cltexlabel bleu pointilles M Mx (-) line M My (-) line O M (-) line [M] points continu 1 setlinewidth rouge O A (->) line O B (->) line <tex> $$ \vec{u}_\theta $$ </tex> cosa 2 div sina 2 div [1.5 1.5] {30} uctexlabel <tex> $$ \vec{v}_\theta $$ </tex> 0 sina 2 div sub cosa 2 div [1.5 1.5]{30} cltexlabel setTimesItalic (M) M ultext setSymbol (q) .5 .12 cctext % (r) A {30} uctext /arrowangle -5 store 1 0 O A 0.4 (->) tripointarc