検索結果- 英語 - 多言語
検索内容:
ceiling function
(mathematics) A function that maps a real number to the smallest integer that is no smaller than it.
floor function
(mathematics) A function that maps a real number to the largest integer that is not greater than it.
sign function
(mathematics) The signum function.
trapdoor function
(mathematics, cryptography) A function that is easy to compute in one direction but difficult to compute in the opposite direction (finding its inverse) without special information.
error function
(mathematics, statistics) A sigmoid function giving the probability that a measurement, under the influence of normally distributed errors with standard deviation, is within a certain distance from the mean value.
ceil function
inclusion function
(mathematics) A function whose domain is a subset of its codomain, and for which all of the elements in its domain are fixed points.
Hann function
(signal processing) A discrete window function, w(n)=1/2;(1- cos ((2𝜋n)/(N-1))), typically used to select a subset of a series of samples in order to perform a Fourier transform or other calculation.