DiracDelta (Built-in Mathematica Symbol)

DiracDelta[x] represents the Dirac delta function \[Delta](x). DiracDelta[x_1, x_2, ...] represents the multidimensional Dirac delta function \[Delta](x_1, x_2, ...).

DirectedGraphQ (Built-in Mathematica Symbol)

DirectedGraphQ[g] yields True if the graph g is a directed graph and False otherwise.

Directory (Built-in Mathematica Symbol)

Directory[] gives the current working directory.

DiscreteWaveletPacketTransform (Built-in Mathematica Symbol)

DiscreteWaveletPacketTransform[data] gives the discrete wavelet packet transform (DWPT) of an array of data.DiscreteWaveletPacketTransform[data, wave] gives the discrete ...

DumpSave (Built-in Mathematica Symbol)

DumpSave["file.mx", symbol] writes definitions associated with a symbol to a file in internal Mathematica format. DumpSave["file.mx", " context`"] writes out definitions ...

EdgeRenderingFunction (Built-in Mathematica Symbol)

EdgeRenderingFunction is an option for GraphPlot and related functions that gives a function to generate the graphics primitives to use in rendering each edge.

EllipticNomeQ (Built-in Mathematica Symbol)

EllipticNomeQ[m] gives the nome q corresponding to the parameter m in an elliptic function.

Encode (Built-in Mathematica Symbol)

Encode["source", " dest"] writes an encoded version of the file source to the file dest. << dest decodes the file before reading its contents. Encode["source", " dest", " ...

ErrorBox (Built-in Mathematica Symbol)

ErrorBox[boxes] is a low-level box construct that represents boxes that cannot be interpreted in input or output.

EvaluationCompletionAction (Built-in Mathematica Symbol)

EvaluationCompletionAction is an option for notebooks that specifies the action taken when an evaluation is completed.