Owning Palette: Exponential Integrals VIs
Requires: Full Development System
Computes the hyperbolic cosine integral function.

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x is the input argument. If x is negative, the VI uses the absolute value of x. |
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Chi(x) returns the value of the hyperbolic cosine integral. |
The following equation defines the hyperbolic cosine integral function.

where
is Euler's constant.