Perhaps the finest paper written on filter design is Moorer's cleverly-titled opus, “The Manifold Joys of Conformal Mapping.” While primarily an invaluable study of the methods of transforming ...

Higher-order functions let you treat functions like any other value — passing them around, returning them, and composing them for cleaner, more reusable code. They power everyday tools like map, ...

The transfer function presented in part 1 is highly effective for designing a wide variety of filters. However, as with many numerical techniques, there are those cases where this function will return ...

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...