UMFPACK Interface

• 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
• PlotSparse — plot the pattern of non nul elements of a sparse matrix
• ReadHBSparse — read a Harwell-Boeing sparse format file
• res_with_prec — computes the residual r = Ax-b with precision
• taucs_chdel — utility function used with taucs_chfact
• taucs_chfact — cholesky factorization 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 — solves a linear s.p.d. system A*X = B from Cholesky factors of the sparse A
• umf_ludel — utility function used with umf_lufact
• umf_lufact — lu factorization 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