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-rw-r--r--Master/texmf-dist/doc/generic/pst-func/pst-func-doc.tex34
1 files changed, 33 insertions, 1 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 87fd1e143dd..2aec2a646d3 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 769 2013-04-18 08:53:32Z herbert $
+%% $Id: pst-func-doc.tex 884 2014-02-01 17:09:26Z herbert $
\documentclass[11pt,english,BCOR10mm,DIV12,bibliography=totoc,parskip=false,
smallheadings, headexclude,footexclude,oneside]{pst-doc}
\usepackage[utf8]{inputenc}
@@ -1612,6 +1612,38 @@ The plotted number of points is the third parameter.
\end{pspicture}
\end{LTXexample}
+
+\clearpage
+\section{\nxLcs{psWeierstrass} -- a pathological function}
+
+The Weierstrass function is an example of a pathological real-valued function
+on the real line. The function has the property that it is continuous
+everywhere but differentiable nowhere.
+%
+\[
+ f_a(x)=\sum\limits_{k=1}^\infty\frac{\sin(\pi k^ax)}{\pi k^a}
+\]
+%f(p/q)=pi/(4q^2)sum_(k=1)^(q-1)(sin((k^2ppi)/q))/(sin^2((kpi)/(2q)))
+%
+
+\begin{BDef}
+\Lcs{psWeierstrass}\OptArgs\Largr{$x_0,x_1$}\Largb{a}
+\end{BDef}
+
+\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,
+ 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}
+\end{pspicture}
+\end{LTXexample}
+
+
+
+
\clearpage
\section{\nxLcs{psplotImp} -- plotting implicit defined functions}
For a given area, the macro calculates in a first step row by row for every pixel (1pt)