Butterfly diagram for 4-point DFT (DIT-FFT)

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Building of the Butterfly diagram for a 4 point DFT using the Decimation in time FFT algorithm.
Reference: The equations are taken from the textbook on Digital Signal Processing by Proakis et al.
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i can barely see the yellow color with the black background

karl
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Sir, well appreciated but it is radix 2, 4-point .not radix4

sandiofficial
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How to draw a 4*4 matrix equation butterfly diagram?

minutesengineeringinbangl
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