How do I plot DFT and iDFT without using libraries
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Want to plot DFT of an image but without the use of matlab libraries tool box
回答（1 个）
Alex Hanes
2022-10-24
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MATLAB’s FFT function gives you the definition of the discrete Fourier transform. You can generate the DFT matrix and it’s inverse in your own code snippet. In 2 dimensions, apply the FFT along each dimension.
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在 帮助中心 和 File Exchange 中查找有关 Discrete Fourier and Cosine Transforms 的更多信息
2022-10-24
2022-10-24
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