Purpose
=======
DGER performs the rank 1 operation
A := alpha*x*y' + A,
where alpha is a scalar, x is an m element vector, y is an n element
vector and A is an m by n matrix.
Namespace: DotNumerics.LinearAlgebra.CSLapackAssembly: DWSIM.MathOps.DotNumerics (in DWSIM.MathOps.DotNumerics.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax public void Run(
int M,
int N,
double ALPHA,
double[] X,
int offset_x,
int INCX,
double[] Y,
int offset_y,
int INCY,
ref double[] A,
int offset_a,
int LDA
)
Public Sub Run (
M As Integer,
N As Integer,
ALPHA As Double,
X As Double(),
offset_x As Integer,
INCX As Integer,
Y As Double(),
offset_y As Integer,
INCY As Integer,
ByRef A As Double(),
offset_a As Integer,
LDA As Integer
)
Request Example
View SourceParameters
- M Int32
-
- INTEGER.
On entry, M specifies the number of rows of the matrix A.
M must be at least zero.
Unchanged on exit.
- N Int32
-
- INTEGER.
On entry, N specifies the number of columns of the matrix A.
N must be at least zero.
Unchanged on exit.
- ALPHA Double
-
- DOUBLE PRECISION.
On entry, ALPHA specifies the scalar alpha.
Unchanged on exit.
- X Double
-
- DOUBLE PRECISION array of dimension at least
( 1 + ( m - 1 )*abs( INCX ) ).
Before entry, the incremented array X must contain the m
element vector x.
Unchanged on exit.
- offset_x Int32
-
- INCX Int32
-
- INTEGER.
On entry, INCX specifies the increment for the elements of
X. INCX must not be zero.
Unchanged on exit.
- Y Double
-
- DOUBLE PRECISION array of dimension at least
( 1 + ( n - 1 )*abs( INCY ) ).
Before entry, the incremented array Y must contain the n
element vector y.
Unchanged on exit.
- offset_y Int32
-
- INCY Int32
-
- INTEGER.
On entry, INCY specifies the increment for the elements of
Y. INCY must not be zero.
Unchanged on exit.
- A Double
-
:= alpha*x*y' + A,
- offset_a Int32
-
- LDA Int32
-
- INTEGER.
On entry, LDA specifies the first dimension of A as declared
in the calling (sub) program. LDA must be at least
max( 1, m ).
Unchanged on exit.
See Also