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AdvancedMathIntegralCin Method

Computes the entire cosine intgral.

Namespace:  Meta.Numerics.Functions
Assembly:  Meta.Numerics (in Meta.Numerics.dll) Version: 4.1.4
public static double IntegralCin(
	double x


Type: SystemDouble
The argument.

Return Value

Type: Double
The value of Cin(x).

The entire cosine integral Cin(x) is related to the conventional cosine integral Ci(x) by:

Unlike Ci(x), Cin(x) is regular at the origin, and may therefore be more useful in applications that need the non-divergent part of a cosine integral. In fact, Cin(x) is entire, meaning it has no poles or cuts anywhere in the complex plane. But, unlike Ci(x), Cin(x) does diverge (logarithmicaly) for large x.

See Also