23 lines
553 B
Plaintext
23 lines
553 B
Plaintext
\psset{xunit=1cm, yunit=1cm}
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%\psframebox{
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\begin{pspicture}(0,0)(2.4,1.3)
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%\psgrid[%griddots=20,
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%gridlabels=0pt, subgriddiv=10](0.2,0.2)(2.8,2.8)
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\psline[linecolor=blue, linewidth=0.5pt]{->}(0.3,1.1)(2.1,0.1)
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\rput[c](0.25,1.15){\color{blue}\tiny{+}}
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\psline[linecolor=red, linewidth=0.5pt]{->}(2.1,1.1)(0.3,0.1)
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\rput[c](0.25,0.05){\color{red}\tiny{-}}
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\rput[l](0.1,0.6)
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{$\left(
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\begin{array}{cc}
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a_{11} & a_{12} \\
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a_{21} & a_{22} \\
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\end{array}
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\right)
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$}
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\end{pspicture}%}
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