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/integraltest.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/integraltest.asy')
-rw-r--r-- | Master/texmf-dist/doc/asymptote/examples/integraltest.asy | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/asymptote/examples/integraltest.asy b/Master/texmf-dist/doc/asymptote/examples/integraltest.asy new file mode 100644 index 00000000000..c45b1eb8f17 --- /dev/null +++ b/Master/texmf-dist/doc/asymptote/examples/integraltest.asy @@ -0,0 +1,38 @@ +import graph; +size(300,150,IgnoreAspect); + +real f(real x) {return 1/x^(1.1);} +pair F(real x) {return (x,f(x));} + +dotfactor=7; + +void subinterval(real a, real b) +{ + path g=box((a,0),(b,f(b))); + filldraw(g,lightgray); + draw(box((a,f(a)),(b,0))); +} + +int a=1, b=9; + +xaxis("$x$",0,b); +yaxis("$y$",0); + +draw(graph(f,a,b,operator ..),red); + +int n=2; + +for(int i=a; i <= b; ++i) { + if(i < b) subinterval(i,i+1); + if(i <= n) labelx(i); + dot(F(i)); +} + +int i=n; +labelx("$\ldots$",++i); +labelx("$k$",++i); +labelx("$k+1$",++i); +labelx("$\ldots$",++i); + +arrow("$f(x)$",F(i-1.5),NE,1.5cm,red,Margin(0,0.5)); + |