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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.cat
 
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equil            Scilab Group            Scilab Function              equil
 
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NAME
 
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   equil - balancing of pair of symmetric matrices
 
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CALLING SEQUENCE
 
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 T=equil(P,Q)
 
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PARAMETERS
 
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 P, Q       : two positive definite symmetric matrices
 
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 T          : nonsingular matrix
 
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DESCRIPTION
 
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   equil returns t such that:
 
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   T*P*T' and  inv(T)'*Q*inv(T)  are both equal to a same  diagonal and
 
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  positive matrix.
 
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EXAMPLE
 
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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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SEE ALSO
 
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   equil1, balanc, ctr_gram  
 
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