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Back to Sparse Matrices

ilu

Incomplete LU factorization

Syntax

[L, U] = ilu(A)
[L, U] = ilu(A, setup)

Description

Computes the incomplete LU factorization of sparse matrix A, suitable for use as a preconditioner in iterative solvers.

Parameters

NameDescription
ASparse square matrix
setup(optional)Options struct with type and droptol

Returns

[L, U] incomplete factors

Examples

Try It
>> [L, U] = ilu(speye(5))

See Also

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