Fast Fourier Transform, Algorithms, Pattern Matching, Convolution, Combination Sum.
of original matrix. new_arr = [] for x in new_arr_t: new_arr += [fft(x, omega_y)] return new_arr The code for convolution with 2d matrices is updated as follows: def convolution_2d(p, q): # p matrix has shape n1 x m1 and q matrix n2 x m2 n1, n2 = len(p), len(q) m1, m2 = len(p[0]), len(q[0]) #