zlar2v.f - Online Linux Manual PageSection : 3
Updated : Tue Nov 14 2017
Source : Version 3.8.0
Note : LAPACK

NAMEzlar2v.f

SYNOPSIS

Functions/Subroutinessubroutine zlar2v (N, X, Y, Z, INCX, C, S, INCC)
ZLAR2V applies a vector of plane rotations with real cosines and complex sines from both sides to a sequence of 2-by-2 symmetric/Hermitian matrices​.

Function/Subroutine Documentation

subroutine zlar2v (integer N, complex*16, dimension( * ) X, complex*16, dimension( * ) Y, complex*16, dimension( * ) Z, integer INCX, double precision, dimension( * ) C, complex*16, dimension( * ) S, integer INCC)ZLAR2V applies a vector of plane rotations with real cosines and complex sines from both sides to a sequence of 2-by-2 symmetric/Hermitian matrices​. Purpose: ZLAR2V applies a vector of complex plane rotations with real cosines from both sides to a sequence of 2-by-2 complex Hermitian matrices, defined by the elements of the vectors x, y and z. For i = 1,2,...,n ( x(i) z(i) ) := ( conjg(z(i)) y(i) ) ( c(i) conjg(s(i)) ) ( x(i) z(i) ) ( c(i) -conjg(s(i)) ) ( -s(i) c(i) ) ( conjg(z(i)) y(i) ) ( s(i) c(i) )Parameters: N N is INTEGER The number of plane rotations to be applied.
X
X is COMPLEX*16 array, dimension (1+(N-1)*INCX) The vector x; the elements of x are assumed to be real.
Y
Y is COMPLEX*16 array, dimension (1+(N-1)*INCX) The vector y; the elements of y are assumed to be real.
Z
Z is COMPLEX*16 array, dimension (1+(N-1)*INCX) The vector z.
INCX
INCX is INTEGER The increment between elements of X, Y and Z. INCX > 0.
C
C is DOUBLE PRECISION array, dimension (1+(N-1)*INCC) The cosines of the plane rotations.
S
S is COMPLEX*16 array, dimension (1+(N-1)*INCC) The sines of the plane rotations.
INCC
INCC is INTEGER The increment between elements of C and S. INCC > 0.Author: Univ​. of Tennessee Univ​. of California Berkeley Univ​. of Colorado Denver NAG Ltd​. Date: December 2016 Definition at line 113 of file zlar2v​.f​.

AuthorGenerated automatically by Doxygen for LAPACK from the source code​.
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Johanes Gumabo
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