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    • FindZero Method (Func(Double, Double), Double)
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    • FindZero Method (Func(Vector(Double), Vector(Double), Vector(Double)), Vector(Double))
    • FindZero Method (Func(Vector, Double)[], Vector)
    • FindZero Method (Func(Vector, Vector, Vector), Vector)
    • FindZero Method (Func(Double, Double), Double, Double)
    • FindZero Method (Func(Double, Double), Func(Double, Double), Double)
    • FindZero Method (Func(Vector(Double), Double)[], Func(Vector(Double), Vector(Double), Vector(Double))[], Vector(Double))
    • FindZero Method (Func(Vector(Double), Vector(Double), Vector(Double)), Func(Vector(Double), Matrix(Double), Matrix(Double)), Vector(Double))
    • FindZero Method (Func(Vector, Double)[], Func(Vector, Vector, Vector)[], Vector)
    • FindZero Method (Func(Vector, Vector, Vector), Func(Vector, Matrix, Matrix), Vector)
  • FindZero Method (Func(Double, Double), Double)
FunctionMathFindZero Method (FuncDouble, Double, Double)Extreme Optimization Numerical Libraries for .NET Professional
Finds a zero of a function starting from an initial guess.

Namespace: Extreme.Mathematics
Assembly: Extreme.Numerics.Net40 (in Extreme.Numerics.Net40.dll) Version: 6.0.16073.0 (6.0.16312.0)
Syntax

C#
VB
C++
F#
Copy
public static double FindZero(
	this Func<double, double> targetFunction,
	double initialGuess
)
<ExtensionAttribute>
Public Shared Function FindZero ( 
	targetFunction As Func(Of Double, Double),
	initialGuess As Double
) As Double
public:
[ExtensionAttribute]
static double FindZero(
	Func<double, double>^ targetFunction, 
	double initialGuess
)
[<ExtensionAttribute>]
static member FindZero : 
        targetFunction : Func<float, float> * 
        initialGuess : float -> float 

Parameters

targetFunction
Type: SystemFuncDouble, Double
A delegate that represents a function of one variable that specifies the function on the left-hand side of the equation.
initialGuess
Type: SystemDouble
An initial guess for ther zero.

Return Value

Type: Double
The best approximation to a zero of targetFunction.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type FuncDouble, Double. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
Exceptions

ExceptionCondition
ConvergenceExceptionThe algorithm failed to converge to a solution.
Remarks

Use this method when you have very little information about the location of the zero.

Version Information

Numerical Libraries

Supported in: 6.0, 5.x, 4.x
See Also

Reference

FunctionMath Class
FindZero Overload
Extreme.Mathematics Namespace

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