This is a preview. Log in through your library . Abstract Finite impulse response (FIR) models are among the most basic tools in control theory and signal processing and are routinely used in almost ...

Polynomial interpolation to analytic functions can be very accurate, depending on the distribution of the interpolation nodes. However, in equispaced nodes and the like, besides being badly ...

It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...