Returns the values of the partial derivative of the tensor-product spline
of an array of points.
Namespace:
Imsl.Math
Assembly:
ImslCS (in ImslCS.dll) Version: 6.5.0.0
Syntax
Visual Basic (Declaration) |
---|
Public Overridable Function Derivative ( _
xVec As Double(), _
yVec As Double(), _
xPartial As Integer, _
yPartial As Integer _
) As Double(,) |
Visual C++ |
---|
public:
virtual array<double,2>^ Derivative(
array<double>^ xVec,
array<double>^ yVec,
int xPartial,
int yPartial
) |
Parameters
- xVec
- Type: array<
System..::.Double
>[]()[]
A double array specifying the
x-coordinates at which the spline is to be evaluated.
- yVec
- Type: array<
System..::.Double
>[]()[]
A double array specifying the
y-coordinates at which the spline is to be evaluated.
- xPartial
- Type: System..::.Int32
An int scalar specifying the x-partial derivative.
- yPartial
- Type: System..::.Int32
An int scalar specifying the y-partial derivative.
Return Value
An
double matrix containing the values of
the partial derivatives
where
i =
xPartial and
j =
yPartial, at each
(x, y).
See Also