lis_array_matvec_ns(3f)

NAME
lis_array_matvec_ns - calculate the matrix vector product

SYNOPSIS
subroutine lis_array_matvec_ns(LIS_INTEGER m, LIS_INTEGER n, LIS_SCALAR a(), LIS_INTEGER lda, LIS_SCALAR x(), LIS_SCALAR y(), LIS_INTEGER op, LIS_INTEGER ierr);

DESCRIPTION
Calculate the matrix-vector product Ax, where matrix $fIA 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

SEE ALSO
lis(3)

http://www.ssisc.org/lis/