plural of trapdoor 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.

(computer science) A mathematical function that can be computed using an abstract computation machine such as Turing machine.

(mathematics) A unary function that preserves the addition operation; a unary function f such that for any x and y: f(x + y) = f(x) + f(y).

(computing theory) One of the simplest and earliest examples of a total computable function that is not primitive recursive.

(mathematics) A function whose domain is the empty set.

(mathematics) The signum function.

plural of floor function

plural of ceil function

(mathematics) A function that maps a real number to the smallest integer that is no smaller than it.