Sinc approximation
The Endeavour 2020-06-02
Summary:
If a function is smooth and has thin tails, it can be well approximated by sinc functions. These approximations are frequently used in applications, such as signal processing and numerical integration. This post will illustrate sinc approximation with the function exp(-x²). The sinc approximation for a function f(x) is given by where sinc(x) = sin(πx)/πx. […]