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  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2005-01-09 22:58:21 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20050109225821-473xr8vhgugxxx5j
Tags: 3.0-12
http://bugs.debian.org/255869
changed configure.in to build scilab's own malloc.o, closes: #255869

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man/polynomials/pol2des.man
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.TH pol2des 1 "April 1993" "Scilab Group" "Scilab Function"
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.so ../sci.an 
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.SH NAME
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pol2des - polynomial matrix to descriptor form
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.SH CALLING SEQUENCE
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.nf
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[N,B,C]=pol2des(Ds)
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.fi
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.SH PARAMETERS
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.TP 12
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Ds
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: polynomial matrix
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.TP
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N, B, C 
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: three real matrices
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.SH DESCRIPTION
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Given the polynomial matrix \fVDs=D_0 +D_1 s +D_2 s^2 +... +D_k s^k\fR,
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\fVpol2des\fR returns three  matrices \fVN, B, C\fR, with \fVN\fR nilpotent 
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such that:
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.LP
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\fVDs = C (s*N-eye())^-1 B \fR
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.SH EXAMPLE
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.nf
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s=poly(0,'s');
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G=[1,s;1+s^2,3*s^3];[N,B,C]=pol2des(G);
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G1=clean(C*inv(s*N-eye())*B),G2=numer(G1)
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.fi
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.SH SEE ALSO
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ss2des, tf2des
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.SH AUTHOR
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F.D.
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