Using the Discrete Fourier Transform for trigonometric interpolation. Input arguments are the values of f(t_i), where the t_i are equidistant values 2 * Pi * i / N (starting with i = 0). N is an odd number and denotes the number of t_i points.
galustian/Trigonometric-Interpolation
Using the Discrete Fourier Transform for trigonometric interpolation.
Python