diff options
author | Karl Berry <karl@freefriends.org> | 2009-05-23 00:23:51 +0000 |
---|---|---|
committer | Karl Berry <karl@freefriends.org> | 2009-05-23 00:23:51 +0000 |
commit | a683c3d7e9fac38ec713f23fb6b9d2c7143aea82 (patch) | |
tree | 424ab223921f85fd3f167a4ccd0e2d37d05c2927 /Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-13.tex | |
parent | 5beb5368a684995153c8566797ba054f21c666af (diff) |
move english latex doc out of texmf-doc
git-svn-id: svn://tug.org/texlive/trunk@13412 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-13.tex')
-rw-r--r-- | Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-13.tex | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-13.tex b/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-13.tex new file mode 100644 index 00000000000..20d18995199 --- /dev/null +++ b/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-13.tex @@ -0,0 +1,27 @@ +\documentclass{article} +\begin{document} +\noindent\textbf{First solution example}:\\[1ex] +The solution for the system equation +\[ \renewcommand{\arraystretch}{1.2} + F(x,y) = 0\quad\mbox{and}\quad + \left|\begin{array}{ccc} + F''_{xx} & F''_{xy} & F'_x\\ + F''_{yx} & F''_{yy} & F'_y\\ + F'_x & F'_y & 0 + \end{array}\right| = 0 +\] +yields the coordinates for the possible inflection points of $F(x,y) = 0$. + +\bigskip +\noindent\textbf{Second solution example}:\\[1ex] +The solution for the system equation +\[ \renewcommand{\arraystretch}{1.2} + F(x,y) = 0\quad\mbox{and}\quad\begin{array}{|ccc|} + F''_{xx} & F''_{xy} & F'_x\\ + F''_{yx} & F''_{yy} & F'_y\\ + F'_x & F'_y & 0 + \end{array} = 0 +\] +yields the coordinates for the possible inflection points of $F(x,y) = 0$. +\end{document} + |