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SciMax Toolbox >> ptriangularize

ptriangularize

Maxima Function

Calling Sequence

ptriangularize (M, v)

Description

If M is a matrix with each entry a polynomial in v, return a matrix M2 such that

(1) M2 is upper triangular,

(2) M2 = E_n ... E_1 M, where E_1 through E_n are elementary matrices whose entries are polynomials in v,

(3) |det (M)| = |det (M2)|,

Note: This function doesn't check that every entry is a polynomial in v.

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