diff options
author | Karl Berry <karl@freefriends.org> | 2013-04-07 18:26:53 +0000 |
---|---|---|
committer | Karl Berry <karl@freefriends.org> | 2013-04-07 18:26:53 +0000 |
commit | b04c2e1a42573e9735547702356c7b9a769a6855 (patch) | |
tree | c0753443f39500a062d7698fe6b94359c813f871 /Master/texmf-dist/doc/asymptote/examples/flow.asy | |
parent | fb0bf13304a356f197bfc1add17f98c07e96f17b (diff) |
texmf -> texmf-dist: doc
git-svn-id: svn://tug.org/texlive/trunk@29714 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/asymptote/examples/flow.asy')
-rw-r--r-- | Master/texmf-dist/doc/asymptote/examples/flow.asy | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/asymptote/examples/flow.asy b/Master/texmf-dist/doc/asymptote/examples/flow.asy new file mode 100644 index 00000000000..aba6c5aa055 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/flow.asy @@ -0,0 +1,31 @@ +import graph; +defaultpen(1.0); + +size(0,150,IgnoreAspect); + +real arrowsize=4mm; +real arrowlength=2arrowsize; + +typedef path vector(real); + +// Return a vector interpolated linearly between a and b. +vector vector(pair a, pair b) { + return new path(real x) { + return (0,0)--arrowlength*interp(a,b,x); + }; +} + +real f(real x) {return 1/x;} + +real epsilon=0.5; +path g=graph(f,epsilon,1/epsilon); + +int n=3; +draw(g); +xaxis("$x$"); +yaxis("$y$"); + +add(vectorfield(vector(W,W),g,n,true)); +add(vectorfield(vector(NE,NW),(0,0)--(point(E).x,0),n,true)); +add(vectorfield(vector(NE,NE),(0,0)--(0,point(N).y),n,true)); + |