zlartv (l) - Linux Manuals
zlartv: applies a vector of complex plane rotations with real cosines to elements of the complex vectors x and y
Command to display zlartv
manual in Linux: $ man l zlartv
NAME
ZLARTV - applies a vector of complex plane rotations with real cosines to elements of the complex vectors x and y
SYNOPSIS
- SUBROUTINE ZLARTV(
-
N, X, INCX, Y, INCY, C, S, INCC )
-
INTEGER
INCC, INCX, INCY, N
-
DOUBLE
PRECISION C( * )
-
COMPLEX*16
S( * ), X( * ), Y( * )
PURPOSE
ZLARTV applies a vector of complex plane rotations with real cosines
to elements of the complex vectors x and y. For i = 1,2,...,n
(
x(i) ) := ( c(i) s(i) ) ( x(i) )
( y(i) ) ( -conjg(s(i)) c(i) ) ( y(i) )
ARGUMENTS
- N (input) INTEGER
-
The number of plane rotations to be applied.
- X (input/output) COMPLEX*16 array, dimension (1+(N-1)*INCX)
-
The vector x.
- INCX (input) INTEGER
-
The increment between elements of X. INCX > 0.
- Y (input/output) COMPLEX*16 array, dimension (1+(N-1)*INCY)
-
The vector y.
- INCY (input) INTEGER
-
The increment between elements of Y. INCY > 0.
- C (input) DOUBLE PRECISION array, dimension (1+(N-1)*INCC)
-
The cosines of the plane rotations.
- S (input) COMPLEX*16 array, dimension (1+(N-1)*INCC)
-
The sines of the plane rotations.
- INCC (input) INTEGER
-
The increment between elements of C and S. INCC > 0.
Pages related to zlartv
- zlartv (3)
- zlartg (l) - generates a plane rotation so that [ CS SN ] [ F ] [ R ] [ __ ]
- zlar1v (l) - computes the (scaled) r-th column of the inverse of the sumbmatrix in rows B1 through BN of the tridiagonal matrix L D L^T - sigma I
- zlar2v (l) - applies a vector of complex plane rotations with real cosines from both sides to a sequence of 2-by-2 complex Hermitian matrices,
- zlarcm (l) - performs a very simple matrix-matrix multiplication
- zlarf (l) - applies a complex elementary reflector H to a complex M-by-N matrix C, from either the left or the right
- zlarfb (l) - applies a complex block reflector H or its transpose Haq to a complex M-by-N matrix C, from either the left or the right
- zlarfg (l) - generates a complex elementary reflector H of order n, such that Haq * ( alpha ) = ( beta ), Haq * H = I
- zlarfp (l) - generates a complex elementary reflector H of order n, such that Haq * ( alpha ) = ( beta ), Haq * H = I
- zlarft (l) - forms the triangular factor T of a complex block reflector H of order n, which is defined as a product of k elementary reflectors