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mtx_rfft

mtx_rfft computes a real-valued FFT independently for each row of an input matrix, producing real and imaginary result matrices with N/2+1 columns. The input matrix must have 2^k columns, and calculation only occurs while Pd’s DSP is on because it uses the built-in rfft~ object.

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    Open Pd and go to ToolsFind Externals. Search for iemmatrix and install it. Then create an object with declare -lib iemmatrix -path iemmatrix. Finally, use mtx_rfft or any other object from iemmatrix.

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