zlahrd.f File Reference

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Functions/Subroutines
subroutine	zlahrd (N, K, NB, A, LDA, TAU, T, LDT, Y, LDY)
	ZLAHRD reduces the first nb columns of a general rectangular matrix A so that elements below the k-th subdiagonal are zero, and returns auxiliary matrices which are needed to apply the transformation to the unreduced part of A. More...