DivisorSigma (Built-in Mathematica Symbol)

DivisorSigma[k, n] gives the divisor function \[Sigma]_k (n).

Drop (Built-in Mathematica Symbol)

Drop[list, n] gives list with its first n elements dropped. Drop[list, -n] gives list with its last n elements dropped. Drop[list, {n}] gives list with its n\[Null]^th ...

EdgeCount (Built-in Mathematica Symbol)

EdgeCount[g] gives a count of the number of edges in the graph g.EdgeCount[g, patt] gives a count of the number of edges that match the pattern patt.

EdgeCoverQ (Built-in Mathematica Symbol)

EdgeCoverQ[g, elist] yields True if the edge list elist is an edge cover of the graph g and False otherwise.

EdgeIndex (Built-in Mathematica Symbol)

EdgeIndex[g, e] gives the integer index for the edge e in the graph g.

EdgeList (Built-in Mathematica Symbol)

EdgeList[g] gives the list of edges for the graph g. EdgeList[g, patt] gives a list of edges that match the pattern patt.

EigenvectorCentrality (Built-in Mathematica Symbol)

EigenvectorCentrality[g] gives a list of eigenvector centralities for the vertices in the graph g.EigenvectorCentrality[g, "In"] gives a list of in-centralities for a ...

Erfi (Built-in Mathematica Symbol)

Erfi[z] gives the imaginary error function erf(i z)/i.

EuclideanDistance (Built-in Mathematica Symbol)

EuclideanDistance[u, v] gives the Euclidean distance between vectors u and v.

EulerE (Built-in Mathematica Symbol)

EulerE[n] gives the Euler number E_n. EulerE[n, x] gives the Euler polynomial E_n (x).