summaryrefslogtreecommitdiff
path: root/obsolete/macros/latex/contrib/tkz/tkz-fct/examples/latex/tkzFct-07-5-0.tex
blob: 0d04fcbee6b77ca16693ce63764a5e74fbad0a48 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
\input{preamble-standalone.ltx}
\begin{document}

% Ex. No. 21 (Section  7.5 : Quelques tangentes )

\begin{tikzpicture}[scale=2]
  \tkzInit[xmin=-5,xmax=2,ymin=-1, ymax=3]
  \tkzDrawX
  \tkzDrawY
  \tkzText[draw,color = red,fill = orange!20]( 1.5,1.5){$y = xe^x$}
  \tkzFct[color = red, domain = -5:1]{x*exp(x)}%
  \tkzDrawTangentLine[color=blue,kr=2,kl=2](-2)
  \tkzDrawTangentLine[color=green,kr=2,kl=2](-1)
  \tkzDrawTangentLine[color=blue](0)
  \tkzDrawTangentLine[color=blue,kr=0](1)
\end{tikzpicture}

\end{document}