Présentation de graph_003a.jps

/syracuse/bbgraf/albums/geometrie_2nd/graph_003a.jpg
-1 11 setxrange -1 5 setyrange 20 setxunit /U {0 0} def /u {4 3} def /V {4 4} def /v {6 -3} def U u addv /U' defpoint V v addv /V' defpoint /A {4 1} def /B {5 3} def quadrillage [A B U V] points U U' (->) line V V' (->) line setTimesItalic (A) A dltext (B) B dltext <tex> $\vec u$ </tex> U U' milieu [1.2 dup] uctexlabel <tex> $\vec v$ </tex> V V' milieu [1.2 dup] uctexlabel