FunctionMath.Sum(Func<Int32, Double>, Int32, Int32) Method

Computes the sum of an expression evaluated over the specified range.

Definition

Namespace: Extreme.Mathematics
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23

public static double Sum(
	Func<int, double> terms,
	int lowerBound,
	int upperBound
)

Visual Basic

Public Shared Function Sum ( 
	terms As Func(Of Integer, Double),
	lowerBound As Integer,
	upperBound As Integer
) As Double

C++/CLI

public:
static double Sum(
	Func<int, double>^ terms, 
	int lowerBound, 
	int upperBound
)

static member Sum : 
        terms : Func<int, float> * 
        lowerBound : int * 
        upperBound : int -> float

terms Func<Int32, Double>: A delegate that returns the value of the specified term.
lowerBound Int32: The (inclusive) lower bound of the summation.
upperBound Int32: The (exclusive) upper bound of the summation.

Double
The sum of terms evaluated at all integers from lowerBound up to but not including upperBound.

terms is null.