(mathematics) a completely multiplicative function on the positive integers that is defined as equal to one for a special value and zero otherwise:

plural of Hankel function

(logic) Synonym of Boolean function

plural of distance function

(mathematics) generalization of the definition of a partition function in statistical mechanics / (number theory) function that represents the number of possible partitions of a natural number.

(mathematics) Either of two functions that are solutions to Bessel's equation.

(mathematics) A function used to predict a categorical dependent variable by one or more continuous or binary independent variables.

(mathematics) A function used to plot streamlines that represent the trajectories of particles in a steady flow.

plural of monotone function

(mathematics) a function used to calculate the distance between two points. / (topology) a metric.