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%\psgrid(0,0)(7.5, 1.2)

%\rput[l](0.1,0.8){$\vec a \rnode{a}\times \vec b = \left( {a_2 b_3  - a_3 b_2 ,a_3 b_1  - a_1 b_3 ,a_1 b_2  - a_2 b_1 } \right)$}


\rput[l](0.1,0.8){$b_{ij}  = \frac{1}{{\det \left( A \right)}} \cdot \left( { - 1} \right)^{i + j}  \cdot \det \left( {A_{\rnode{a}{ji}}} \right) $}

\rput[l](5.5,0.8){\fbox{Vorsicht!}}

\rput[l](5.6,0.3){\Rnode[e]{ae}nicht $A_{ij}$}

%\rput[l](5.5,0.1){"Kreuz"}

\nccurve[nodesep=1.5pt,linecolor=red,angleA=180,AngleB=240]{->}{ae}{a}
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%\ncline[arrows=->,linecolor=red]{ae}{a}
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