mirror of
https://github.com/MartinThoma/LaTeX-examples.git
synced 2025-04-19 11:38:05 +02:00
7740f0147f
The commands
find . -type f -name '*.md' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
and
find . -type f -name '*.tex' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
were used to do so.
44 lines
1.2 KiB
TeX
44 lines
1.2 KiB
TeX
\documentclass{article}
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\usepackage[pdftex,active,tightpage]{preview}
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\setlength\PreviewBorder{2mm}
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\usepackage{tikz}
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\usetikzlibrary{fit,matrix,positioning}
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\tikzset{%
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highlight/.style={
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rectangle,
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rounded corners,
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fill=#1!15,
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draw,
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fill opacity=0.5,
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%thick,
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inner sep=1pt
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}
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}
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\newcommand{\tikzmark}[2]{
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\tikz[overlay,remember picture,baseline=(#1.base)] \node (#1) {#2};
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}
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\newcommand{\Highlight}[3]{%
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\tikz[overlay,remember picture]{
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\node[highlight=#3,fit=(#1.north west) (#2.south east)] {};}
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}
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\begin{document}
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\begin{preview}
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$
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A_{\lambda_i} =
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\left(
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\begin{array}{*5{c}}
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\tikzmark{1}{$\lambda_i$} & 1 & 0 & & 0 \\
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& \lambda_i & 1 & & \\
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& & \lambda_i\tikzmark{2}{} & & \\
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& & & \ddots & \\
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0 & & & & \tikzmark{3}{$\lambda_i$} \tikzmark{4}{} \\
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\end{array}
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\right)
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\Highlight{1}{2}{blue}
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\Highlight{3}{4}{red}
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$
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\end{preview}
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\end{document}
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