[pstricks] direction of vector valued function

Herbert Voss Herbert.Voss at FU-Berlin.DE
Wed Apr 22 23:15:54 CEST 2009

Hamed Al-Sulami schrieb:
> Is there a way to draw an arrows on the graph of vector valued function
> To indicate the curves orientation batter than the one of doing in the
> following example.


there are some examples for drawing normal vectors. You can modify it
to draw direction verctors instead.


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