Easy-to-use UMFPACK interfaceΒΆ

The following functions can be used for LU decompositions and solving equation systems:

spsolve(A, b) Solve the sparse linear system Ax=b, where b may be a vector or a matrix.
splu(A) Compute the LU decomposition of a sparse, square matrix.
UmfpackLU(A) LU factorization of a sparse matrix.