ArrayMath.Sum<T, U>(IEnumerable<T>, Func<T, U>) Method

Computes the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.

Definition

Namespace: Extreme.Mathematics
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23
C# 
public static U Sum<T, U>(
	this IEnumerable<T> source,
	Func<T, U> selector
)

Parameters

source  IEnumerable<T>
A sequence of values.
selector  Func<T, U>
A transform function to apply to each element.

Type Parameters

T
The element type of source.
U
The type of the result.

Return Value

U
The sum of the projected values.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<T>. 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).

See Also