2.1 Fourier Series and Fourier Transforms
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2.2 Discrete Fourier Transform (DFT) and Fast Fourier Transform FFT)
2.3 Transforming Partial Differential Equations
2.4 Gabor Transform and the Spectrogram
2.5 Laplace Transform
2.6 Wavelets and Multi-Resolution Analysis
2.7 Two-Dimensional Transforms and Image Processing