File: derivat.man

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.TH derivat 8 "April 1993" "Scilab Group" "Scilab Function"
.so ../sci.an 
.SH NAME
derivat - rational matrix derivative
.SH CALLING SEQUENCE
.nf
pd=derivat(p)  
.fi
.SH PARAMETERS
.TP
p
: polynomial or rational matrix
.SH DESCRIPTION
computes the derivative of the polynomial 
or rational function matrix w.r.t the dummy variable.
.SH EXAMPLE
.nf
s=poly(0,'s');
derivat(1/s)  // -1/s^2;
.fi