[pstricks] Using ps code in psplot's limits

Hubert Lam publishing at hubertlam.fastmail.com.au
Fri Mar 7 22:23:36 CET 2008

Given that the usage of \psplot (excluding options) is

\psplot{x_min}{x_max}{PS code for function}

is there a mechanism that I'm not aware of that will allow the effects 
of this:

\def\PiFour{PI 4 div}
\psplot{0}{\PiFour}{x SIN}

to plot the curve of sin(x) (pst-math) from x = 0 to x = \frac{\pi}{4} ?



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