[pstricks] rotated vector in pstricks

Nitecki, Zbigniew H. Zbigniew.Nitecki at tufts.edu
Sun Jun 2 22:44:23 CEST 2013

If I want to draw a vector of length, say, 0.25 making an angle of, say 45 degrees with the horizontal, and put it so its tail is at, say, (0,0.5), what is wrong with writing
I am getting the error message
./Parallel.tex:477: Missing number, treated as zero.
<to be read again>
l.477 \rput{45}(0.05){\psline(0,0)(0.25,0)}

If I hit "r" (ignore) the vector prints properly, but I would like to know what the missing number is.

Zbigniew Nitecki
Department of Mathematics
Tufts University
Medford, MA 02155

Office    (617)627-3843
Dept.    (617)627-3234
Dept. fax    (617)627-3966

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