UMFPACK Interface (sparse)ΒΆ

  • 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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