Table Of Contents

Cosine Integral (G Dataflow)

Version:
    Last Modified: January 9, 2017

    Evaluates the cosine integral for any real nonnegative number.

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    x

    A real nonnegative number.

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    error in

    Error conditions that occur before this node runs. The node responds to this input according to standard error behavior.

    Default: No error

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    Ci(x)

    Result of the calculation of the cosine integral for the given value of x.

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    error out

    Error information. The node produces this output according to standard error behavior.

    Algorithm for Evaluating the Cosine Integral

    The following equation defines the cosine integral.

    C i ( x ) = γ + ln ( | x | ) + 0 x cos ( t ) 1 t d t

    where γ is the Euler constant.

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

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: Not supported


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