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-rw-r--r--Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex31
1 files changed, 26 insertions, 5 deletions
diff --git a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex
index 2aec2a646d3..e582a82e4ea 100644
--- a/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex
+++ b/Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex
@@ -1,4 +1,4 @@
-%% $Id: pst-func-doc.tex 884 2014-02-01 17:09:26Z herbert $
+%% $Id: pst-func-doc.tex 890 2014-02-02 15:47:16Z herbert $
\documentclass[11pt,english,BCOR10mm,DIV12,bibliography=totoc,parskip=false,
smallheadings, headexclude,footexclude,oneside]{pst-doc}
\usepackage[utf8]{inputenc}
@@ -1627,17 +1627,38 @@ everywhere but differentiable nowhere.
%
\begin{BDef}
-\Lcs{psWeierstrass}\OptArgs\Largr{$x_0,x_1$}\Largb{a}
+\Lcs{psWeierstrass}\OptArgs\Largr{$x_0,x_1$}\OptArg*{\Largs{a}}\Largb{a/b}
\end{BDef}
+Without the optional argument the mandatory one is $a$, otherwise it is $b$ and
+the optional one $a$. Without setting the optional argument \Lkeyword{epsilon} the value
+of 1.e-8 will be used.
+
+
\begin{LTXexample}[width=6.5cm,wide=false]
\psset{yunit=10,xunit=5}
\begin{pspicture}(-0.1,-0.5)(2.1,0.5)
-\psaxes[Dx=0.2,Dy=0.1,ticksize=-4pt 0,
+\psaxes[Dx=0.2,Dy=0.1,ticksize=-2pt 0,
labelFontSize=\scriptstyle]{->}(0,0)(0,-0.5)(2.1,0.5)
\psWeierstrass[linecolor=red](0,2){2}
-\psWeierstrass[linecolor=green](0,2){3}
-\psWeierstrass[linecolor=blue](0,2){4}
+\psWeierstrass[linecolor=green,epsilon=1.e-15](0,2){3}
+\psWeierstrass[linecolor=blue,epsilon=1.e-5](0,2){4}
+\end{pspicture}
+\end{LTXexample}
+
+
+The original Weierstraß function can be used with the optional argument:
+\[ f(x)= \sum_{n=0}^\infty a^n \cos(b^n \pi x) \]
+
+
+
+\begin{LTXexample}[width=6.5cm,wide=false]
+\psset{unit=2cm,linewidth=0.5pt,plotpoints=5000}
+\begin{pspicture}(-2.1,-2.1)(2.1,2.1)
+\psaxes[Dx=0.5,Dy=0.5,ticksize=-2pt 0,
+ labelFontSize=\scriptstyle]{->}(0,0)(-2,-2)(2,2)
+\psWeierstrass[linecolor=red](-2,2)[0.5]{3}
+\psWeierstrass[linecolor=blue!70](-2,2)[0.5]{10}
\end{pspicture}
\end{LTXexample}