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Psi (Digamma) Function (G Dataflow)

Version:
    Last Modified: March 31, 2017

    Computes the psi, or digamma, function.

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    x

    The input argument.

    Default: 0

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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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    y(x)

    Value of the psi function.

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    error out

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

    Algorithm for Computing the Psi (Digamma) Function

    The following equation defines the psi function.

    ψ ( x ) = d ln ( Γ ( x ) ) d x = 1 Γ ( x ) d Γ ( x ) d x

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: Not supported


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