PivotedCholeskyDecomposition Subroutine

public subroutine PivotedCholeskyDecomposition(AMat, LMat, rank_in, solver_parameters_in)

Compute The Pivoted Cholesky Decomposition of a Hermitian Semi-Definite matrix. Pass it the target rank of the matrix.

Arguments

Type IntentOptional AttributesName
type(Matrix_ps), intent(in) :: AMat

The matrix A, must be hermitian, positive semi-definite.

type(Matrix_ps), intent(inout) :: LMat

The matrix computed.

integer, intent(in) :: rank_in

The target rank of the matrix.

type(SolverParameters_t), intent(in), optional :: solver_parameters_in

Tarameters for the solver


Contents

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