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authorKarl Berry <karl@freefriends.org>2009-05-16 00:19:13 +0000
committerKarl Berry <karl@freefriends.org>2009-05-16 00:19:13 +0000
commitbab45528d65eaafe68a705dbb2a57075c7b7cbd8 (patch)
tree10b4ae2b5195c8dede153ab89359ec00f55f325f /Build/source/utils/asymptote/doc/Bode.asy
parent8643d90372e9c31e0f461c15c596b60a545bd7d3 (diff)
asymptote 1.72 sources (not integrated into build yet)
git-svn-id: svn://tug.org/texlive/trunk@13110 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/asymptote/doc/Bode.asy')
-rw-r--r--Build/source/utils/asymptote/doc/Bode.asy27
1 files changed, 27 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/doc/Bode.asy b/Build/source/utils/asymptote/doc/Bode.asy
new file mode 100644
index 00000000000..a35540e9749
--- /dev/null
+++ b/Build/source/utils/asymptote/doc/Bode.asy
@@ -0,0 +1,27 @@
+import graph;
+texpreamble("\def\Arg{\mathop {\rm Arg}\nolimits}");
+
+size(10cm,5cm,IgnoreAspect);
+
+real ampl(real x) {return 2.5/(1+x^2);}
+real phas(real x) {return -atan(x)/pi;}
+
+scale(Log,Log);
+draw(graph(ampl,0.01,10));
+ylimits(0.001,100);
+
+xaxis("$\omega\tau_0$",BottomTop,LeftTicks);
+yaxis("$|G(\omega\tau_0)|$",Left,RightTicks);
+
+picture q=secondaryY(new void(picture pic) {
+ scale(pic,Log,Linear);
+ draw(pic,graph(pic,phas,0.01,10),red);
+ ylimits(pic,-1.0,1.5);
+ yaxis(pic,"$\Arg G/\pi$",Right,red,
+ LeftTicks("$% #.1f$",
+ begin=false,end=false));
+ yequals(pic,1,Dotted);
+ });
+label(q,"(1,0)",Scale(q,(1,0)),red);
+add(q);
+