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dftmx

Version:
    Last Modified: March 15, 2017

    Computes the discrete Fourier transform matrix.

    Syntax

    b = dftmx(a)
    Legacy name: dftmtx

    Inputs

    a

    Order of the matrix. a is a positive integer.

    Outputs

    b

    Discrete Fourier transform matrix. b is a complex matrix of values around the unit-circle whose inner product with a column vector of length a yields the discrete Fourier transform of the vector.

    a = (1:5)';
    f1 = fft(a);
    f2 = dftmx(length(a))*a

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: This product does not support FPGA devices


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