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Please note that the recommended version of Scilab is 6.0.1. This page might be outdated.
See the recommended documentation of this function

Scilab help >> Linear Algebra > polar

polar

polar form

Calling Sequence

[Ro,Theta]=polar(A)

Arguments

A

real or complex square matrix

Ro,

real matrix

Theta,

real or complex matrix

Description

[Ro,Theta]=polar(A) returns the polar form of A i.e. A=Ro*expm(%i*Theta)Ro symmetric >=0 and Theta hermitian >=0.

Examples

A=rand(5,5);
[Ro,Theta]=polar(A);
norm(A-Ro*expm(%i*Theta),1)

See Also

  • expm — square matrix exponential
  • svd — singular value decomposition

Authors

F. Delebecque INRIA; ;

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Last updated:
Thu May 12 11:44:14 CEST 2011