Cosine Integral VI

Owning Palette: Exponential Integrals VIs

Requires: Full Development System

Evaluates the cosine integral for any real nonnegative number x.

Details  

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x is any real nonnegative number. If x is negative, the VI uses the absolute value of x.
Ci(x) is the result of the calculation of the cosine integral for the given value of x.

Cosine Integral Details

The following equation defines the cosine integral.

where Ci is the cosine integral and is the Euler constant.

The following illustration shows the graph of the cosine integral in the interval (0, 15).