  spfactor
  Builtin Function



      SSyynnooppssiiss
        Factor a sparse coefficient matrix.

      SSyynnttaaxx
        spfactor ( _A, _D_I_A_G___P_I_V_O_T, _P_E_R_M_V )

      DDeessccrriippttiioonn
        Factor a general (non-symmetric) sparse coefficient matrix into
        L and U factors.


        _D_I_A_G___P_I_V_O_T
           specifies the diagonal-pivoting threshold.

        _P_E_R_M_V
           is the permutation vector.

        _X  is the solution vector/matrix.

        To be finished later...

     SSeeee AAllssoo
        solve, sparse, spsolve, backsub, factor






































