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D.15.5.20 VarToPar

Procedure from library finitediff.lib (see finitediff_lib).

Usage:
VarToPar(f); f a poly in the basering;

Return:
type poly; gives back the poly obtained by substituting var(i) by par(i), for all variables. Does only make sence, if the proc <setinitials> is executed before -> nvars <= npars;

Example:
 


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