Trigonometric interpolation using the DFT A well-known application of the DFT in signal processing is trigonometric interpolation, that is, the process of finding a function defined as a sum of sines and cosines of given periods, which goes through a given data set. Select Plotting button. Slider or left / right arrow keys to change Sample Size.
Project Reference: This project is based on the following article: https://mathed.miamioh.edu/index.php/ggbj/article/view/188/154
