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  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2002-03-21 16:57:43 UTC
  • Revision ID: james.westby@ubuntu.com-20020321165743-e9mv12c1tb1plztg
Tags: upstream-2.6
Import upstream version 2.6

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man/control/equil.man
 
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.TH equil 1 "April 1993" "Scilab Group" "Scilab Function"
 
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.so ../sci.an 
 
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.SH NAME
 
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equil - balancing of pair of symmetric matrices
 
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.SH CALLING SEQUENCE
 
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.nf
 
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T=equil(P,Q)
 
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.fi
 
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.SH PARAMETERS
 
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.TP 10
 
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P, Q
 
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: two positive definite symmetric matrices
 
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.TP
 
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T
 
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: nonsingular matrix
 
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.SH DESCRIPTION
 
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\fVequil\fR returns \fVt\fR such that:
 
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.LP
 
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\fVT*P*T'\fR and  \fVinv(T)'*Q*inv(T)\fR  are both equal to a same 
 
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diagonal and positive matrix.
 
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.SH EXAMPLE
 
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.nf
 
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P=rand(4,4);P=P*P';
 
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Q=rand(4,4);Q=Q*Q';
 
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T=equil(P,Q)
 
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clean(T*P*T')
 
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clean(inv(T)'*Q*inv(T))
 
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.fi
 
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.SH SEE ALSO
 
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equil1, balanc, ctr_gram
 
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