lis_array_matvec_ns 3 "3 Dec 2014" "Man Page" "Lis Library Functions"
NAME
lis_array_matvec_ns - calculate the matrix vector product
SYNOPSIS
#include "lis.h"
LIS_INT lis_array_matvec_ns(LIS_INT m, LIS_INT n, LIS_SCALAR a[], LIS_INT lda, LIS_SCALAR x[], LIS_SCALAR y[]);
DESCRIPTION
Calculate the matrix-vector product Ax, where matrix A is not square.
INPUT
"m, n"
The size of the matrix and vectors
"a"
The array that stores matrix A of size m * n
"x"
The array that stores vector x of size n
"y"
The array that stores vector y of size m
"op"
"LIS_INS_VALUE"
y = Ax
"LIS_SUB_VALUE"
y = y - Ax
OUTPUT
"y"
y
EXIT STATUS
The following exit values are returned:
"0"
The process is normally terminated
"unspecified"
An error occurred
SEE ALSO
lis (3) http://www.ssisc.org/lis/