[pstricks] psplottangent

[Herbert Voss]

Dehaes wrote:

> A few weeks ago, I had a problem with psplotTangent when xunit and yunit 
> were different. Herbert solved the problem by a modification to 
> pstricks-add.
> 
>  
> 
> Now with the newer version (2.70) of this package, the problem 
> reappears: le tangent is not tangent to the curve.

Try again with
http://perce.de/LaTeX/pstricks-add/pstricks-add.tex

Herbert