Function scirust::linalg::linear_system::ldu_solve
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pub fn ldu_solve(l: &MatrixF64, d: &MatrixF64, u: &MatrixF64, b: &MatrixF64) -> Result<MatrixF64, SRError>
Implements the algorithm for solving the equation LDU X = B where L, D, U are known (LDU decomposition of A), B is known and X is unknown. Uses a combination of forward and backward substitutions.