Partie LI. Interface avec UMFPACK

Table des matières

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