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Please note that the recommended version of Scilab is 2026.0.0. This page might be outdated.
However, this page did not exist in the previous stable version.

Scilab help >> UMFPACK Interface (sparse)

UMFPACK Interface (sparse)

• PlotSparse — plot the pattern of non nul elements of a sparse matrix
• ReadHBSparse — read a Harwell-Boeing sparse format file
• cond2sp — computes an approximation of the 2-norm condition number of a s.p.d. sparse matrix
• condestsp — estimate the condition number of a sparse matrix
• rafiter — (obsolete) iterative refinement for a s.p.d. linear system
• res_with_prec — computes the residual r = Ax-b with precision
• taucs_chdel — utility function used with taucs_chfact
• taucs_chfact — cholesky factorisation of a sparse s.p.d. matrix
• taucs_chget — retrieve the Cholesky factorization at the scilab level
• taucs_chinfo — get information on Cholesky factors
• taucs_chsolve — solve a linear sparse (s.p.d.) system given the Cholesky factors
• taucs_license — display the taucs license
• umf_license — display the umfpack license
• umf_ludel — utility function used with umf_lufact
• umf_lufact — lu factorisation of a sparse matrix
• umf_luget — retrieve lu factors at the scilab level
• umf_luinfo — get information on LU factors
• umf_lusolve — solve a linear sparse system given the LU factors
• umfpack — solve sparse linear system

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