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authorKarl Berry <karl@freefriends.org>2013-04-07 18:26:53 +0000
committerKarl Berry <karl@freefriends.org>2013-04-07 18:26:53 +0000
commitb04c2e1a42573e9735547702356c7b9a769a6855 (patch)
treec0753443f39500a062d7698fe6b94359c813f871 /Master/texmf-dist/doc/asymptote/examples/Bode.asy
parentfb0bf13304a356f197bfc1add17f98c07e96f17b (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/Bode.asy')
-rw-r--r--Master/texmf-dist/doc/asymptote/examples/Bode.asy27
1 files changed, 27 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/asymptote/examples/Bode.asy b/Master/texmf-dist/doc/asymptote/examples/Bode.asy
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+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);
+