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Add Polynomials (Polynomials) (G Dataflow)

Version:
    Last Modified: March 15, 2017

    Adds together two polynomials.

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    p(x)

    Coefficients, in ascending order of power, of the first polynomial.

    This input accepts the following data types:

    • 1D array of double-precision, floating-point numbers
    • 1D array of complex double-precision, floating-point numbers
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    q(x)

    Coefficients, in ascending order of power, of the second polynomial.

    This input accepts the following data types:

    • 1D array of double-precision, floating-point numbers
    • 1D array of complex double-precision, floating-point numbers
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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.

    Standard Error Behavior

    Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

    error in does not contain an error error in contains an error
    If no error occurred before the node runs, the node begins execution normally.

    If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

    If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

    Default: No error

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    threshold

    Level at which the node removes the trailing elements from the addition of two polynomials.

    The node removes the trailing elements whose absolute values or relative values are less than or equal to threshold. If all the elements in the addition of two polynomials are less than or equal to threshold, p(x) + q(x) returns a one-element array.

    Default: 0

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    threshold type

    Method this node uses to remove the trailing elements from the addition of two polynomials.

    Name Value Description
    Absolute Value 0 Removes the trailing elements whose absolute values are less than or equal to threshold.
    Relative Value 1 Removes the trailing elements whose absolute values are less than or equal to threshold * |a|, where a is the coefficient that has the maximum absolute value in the addition of two polynomials.

    Default: Absolute Value

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    p(x) + q(x)

    Coefficients, in ascending order of power, of the polynomial that results from the addition of two polynomials.

    This output can return the following data types:

    • 1D array of double-precision, floating-point numbers
    • 1D array of complex double-precision, floating-point numbers
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    error out

    Error information.

    The node produces this output according to standard error behavior.

    Standard Error Behavior

    Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

    error in does not contain an error error in contains an error
    If no error occurred before the node runs, the node begins execution normally.

    If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

    If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: This product does not support FPGA devices


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