zlahr2.f File Reference

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Functions/Subroutines
subroutine	zlahr2 (n, k, nb, a, lda, tau, t, ldt, y, ldy)
	ZLAHR2 reduces the specified number of first columns of a general rectangular matrix A so that elements below the specified subdiagonal are zero, and returns auxiliary matrices which are needed to apply the transformation to the unreduced part of A.