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, ...

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 ...

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 ...