LRdecomposition(A,pivotfunction)
Does the PA=LR decomposition on the matrix A, pivoting by the minimal value of pivotfunction. L can be extracted by the function extractLeftLower, R by extractRightUpper. This has been implemented with fields of rational functions in mind.
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The object LRdecomposition is a method function.
The source of this document is in AdjointIdeal.m2:946:0.