- Finite differencing
[fahy-nahyt-di-men-shuh-nl, -dahy-] /ˈfaɪ naɪt dɪˈmɛn ʃə nl, -daɪ-/ adjective, Mathematics. 1. (of a vector space) having a basis consisting of a finite number of elements.
- Finite impulse response
electronics, DSP (FIR) A type of digital signal filter, in which every sample of output is the weighted sum of past and current samples of input, using only some finite number of past samples. (2001-06-06)
noun, Mathematics. 1. the property of a collection of nonempty sets in which the intersections of all possible finite numbers of the sets each contain at least one element.