psave:

Synopsis: Save the plot as data-file.

Syntax: psave ( "file_name", A )

Description:

	The psave() saves the usual temporary file to a specific, 
	non-temporary file named "file_name". psave() is for 2D-plots
	of matrix A. 
	This is useful if you wish to save session-output in a 
	GNUPLOT-way.
	

