FindEdgeCover[g] finds an edge cover of the graph g with a minimum number of edges.
OrderStarInterpolation is an option to OrderStarPlot that specifies whether interpolation points of an approximant to a function should be displayed.
NumberFieldNormRepresentatives[a, m] gives a list of representatives of classes of algebraic integers of norm \[PlusMinus]m in the field \[DoubleStruckCapitalQ][a] generated ...
FactorInteger[n] gives a list of the prime factors of the integer n, together with their exponents. FactorInteger[n, k] does partial factorization, pulling out at most k ...
ChemicalData["name", " property"] gives the value of the specified property for the chemical " name".ChemicalData["name"] gives a structure diagram for the chemical with the ...
MedianFilter[image, r] filters image by replacing every value by the median in its range r neighborhood. MedianFilter[data, r] applies median filtering to an array of data.
NumberFieldDiscriminant[a] gives the discriminant of the field \[DoubleStruckCapitalQ][a] generated by the algebraic number a.
FindSet
(Combinatorica Package Symbol) FindSet[n, s] gives the root of the set containing n in union-find data structure s.
UnionSet[a, b, s] merges the sets containing a and b in union-find data structure s.
All expressions in Mathematica are ultimately built from a small number of distinct types of atomic elements.