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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/programming/inv_coeff.cat
 
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inv_coeff          Scilab Group          Scilab Function          inv_coeff
 
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NAME
 
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   inv_coeff - build a polynomial matrix from its coefficients
 
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CALLING SEQUENCE
 
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 [P]=inv_coeff(C,[,d,[name])
 
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PARAMETERS
 
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 C          : big matrix of the coefficients
 
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 d          : Polynomial matrix degree. optional parameter with default
 
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            value  d=-1+size(C,'c')/size(C,'r')
 
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 name       : string giving the polynomial variable name (default value
 
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            'x').
 
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DESCRIPTION
 
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   P=inv_coeff(Mp,k). When \fvk is compatible with Mp   size it returns a
 
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  polynomial matrix of degree k. C=[C0,C1,...,Ck] and  P= C0 + C1*x +...
 
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  +Ck*x^k.
 
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EXAMPLE
 
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 A=int(10*rand(2,6))
 
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 // Building a degree 1 polynomial matrix
 
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 P=inv_coeff(A,1)
 
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 norm(coeff(P)-A)
 
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 // Using default value for degree
 
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 P1=inv_coeff(A)
 
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 norm(coeff(P1)-A)
 
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SEE ALSO
 
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   poly, degree, coeff 
 
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