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23 \includecomment{parallelprojektion}%zu a), b), c), f)
24 \excludecomment{parallelprojektion}
25 \includecomment{mast}%zu f)
26 \excludecomment{mast}
27
28 \usepackage[margin=1cm]{geometry}
29 \pagestyle{empty}
30 \usepackage{pst-3dplot,pst-plot,pst-grad,pst-node}
31 \usepackage{pstricks-add}
32
33 \usepackage{esvect}
34 \usepackage{amsmath}
35
36 \begin{document}
37
38 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
39 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
40 %------------------------------\begin{pspicture} in verschiedenen
41 %---------------------------------------------------Varianten
42 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
43 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
44 \begin{parallelprojektion}
45 \begin{pspicture*}(-3,-3)(13,15)%gut f"ur parallelprojektion
46 %\begin{pspicture}(-3,-3)(13,15)%gut f"ur parallelprojektion
47 \psframe(-3,-3)(13,15)