Returns a delegate that symbolically evaluates the gradient of a multivariate function.
Namespace:
Extreme.Mathematics
Assembly:
Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.1
public static Func<Vector<double>, Vector<double>, Vector<double>> GetGradient(
Expression<Func<Vector<double>, double>> function
)
Public Shared Function GetGradient (
function As Expression(Of Func(Of Vector(Of Double), Double))
) As Func(Of Vector(Of Double), Vector(Of Double), Vector(Of Double))
public:
static Func<Vector<double>^, Vector<double>^, Vector<double>^>^ GetGradient(
Expression<Func<Vector<double>^, double>^>^ function
)
static member GetGradient :
function : Expression<Func<Vector<float>, float>> -> Func<Vector<float>, Vector<float>, Vector<float>>
Parameters
- function
- Type: System.Linq.ExpressionsExpressionFuncVectorDouble, Double
A lambda expression that represents a multivariate function.
Return Value
Type:
FuncVectorDouble,
VectorDouble,
VectorDoubleA delegate that represents a multivariate function returning a vector in its second argument.
The partial derivatives are calculated symbolically from the supplied lambda expression.
The expression must not contain loops or blocks. If functions are encountered for
which no symbolic derivative is available, a numerical approximation is used.
Reference