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Please note that the recommended version of Scilab is 6.1.1. This page might be outdated.
See the recommended documentation of this function

Scilab manual >> Linear Algebra > chfact


sparse Cholesky factorization

Calling Sequence




square symmetric positive sparse matrix


list containing the Cholesky factors in coded form


spcho=chfact(A) computes the sparse Cholesky factors of sparse matrix A, assumed symmetric positive definite. This function is based on the Ng-Peyton programs (ORNL). See the Fortran programs for a complete description of the variables in spcho. This function is to be used with chsolve.

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Last updated:
Wed Jan 26 16:23:41 CET 2011