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TMtx.LQR Method (TMtx, TMtx, TMtx, TVecInt, boolean)
TMtx Class | TMtx Members | MtxVec Namespace | LQR Method
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QR or LQ factorization.

Pascal
function LQR(const L: TMtx; Q: TMtx; const R: TMtx; const P: TVecInt; Minimized: boolean = true): TMtx; overload;
Description

Performs QR factorization with optional pivoting or LQ factorization. The pivoting of columns in the calling matrix is performed only when P is not nil and Rows > Cols. 

The P[i] holds the permutation of columns in A, so that:

P(A) = Q*R
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