DistributionParameterAssumptions (Built-in Mathematica Symbol)

DistributionParameterAssumptions[dist] gives a logical expression for assumptions on parameters in the symbolic distribution dist.

DistributionParameterQ (Built-in Mathematica Symbol)

DistributionParameterQ[dist] yields True if dist is a valid distribution, and yields False otherwise.

Divide (Built-in Mathematica Symbol)

x/y or Divide[x, y] is equivalent to x y^-1.

Divisible (Built-in Mathematica Symbol)

Divisible[n, m] yields True if n is divisible by m, and yields False if it is not.

Divisors (Built-in Mathematica Symbol)

Divisors[n] gives a list of the integers that divide n.

DivisorSum (Built-in Mathematica Symbol)

DivisorSum[n, form] represents the sum of form[i] for all i that divide n.DivisorSum[n, form, cond] includes only those divisors for which cond[i] gives True.

DocumentNotebook (Built-in Mathematica Symbol)

DocumentNotebook[{cell_1, cell_2, ...}] represents a complete document notebook in the Mathematica front end.

Dt (Built-in Mathematica Symbol)

Dt[f, x] gives the total derivative d f/d x. Dt[f] gives the total differential d f. Dt[f, {x, n}] gives the multiple derivative d^n f/d x^n. Dt[f, x_1, x_2, ...] gives d/d ...

DualSystemsModel (Built-in Mathematica Symbol)

DualSystemsModel[ss] gives the dual of the StateSpaceModel object ss.

EdgeRules (Built-in Mathematica Symbol)

EdgeRules[g] gives the list of edge rules for the graph g.