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    • BarycentricBasis Class
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  • IndexOf Method

PiecewiseCurveIndexOf Method

Extreme Optimization Numerical Libraries for .NET Professional
Finds the index of the lower bound of the interval that contains the specfied value.

Namespace:  Extreme.Mathematics.Curves
Assembly:  Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.1
Syntax

C#
VB
C++
F#
Copy
public int IndexOf(
	double x
)
Public Function IndexOf ( 
	x As Double
) As Integer
public:
int IndexOf(
	double x
)
member IndexOf : 
        x : float -> int 

Parameters

x
Type: SystemDouble
A real number.

Return Value

Type: Int32
A number in the range -1 to NumberOfIntervals.
Remarks

If x is less than the lower bound of the first interval, the value -1 is returned. If x is greater than or equal to the upper bound of the last interval, the value NumberOfIntervals is returned. In all other cases, the value returned is the index of the interval whose lower bound is less than or equal to x, and whose upper bound is strictly greater than x.

See Also

Reference

PiecewiseCurve Class
Extreme.Mathematics.Curves Namespace

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