DocumentNotebook[{cell_1, cell_2, ...}] represents a complete document notebook in the Mathematica front end.
DownValues[f] gives a list of transformation rules corresponding to all downvalues defined for the symbol f.
FortranForm[expr] prints as a Fortran language version of expr.
IdentityMatrix[n] gives the n*n identity matrix.
ImageApply[f, image] applies the function f to the list of channel values for each pixel in image.
InverseJacobiCD[v, m] gives the inverse Jacobi elliptic function cd -1 (v \[VerticalSeparator] m).
InverseJacobiCN[v, m] gives the inverse Jacobi elliptic function cn -1 (v \[VerticalSeparator] m).
InverseJacobiCS[v, m] gives the inverse Jacobi elliptic function cs -1 (v \[VerticalSeparator] m).
InverseJacobiDC[v, m] gives the inverse Jacobi elliptic function dc -1 (v \[VerticalSeparator] m).
InverseJacobiDN[v, m] gives the inverse Jacobi elliptic function dn -1 (v \[VerticalSeparator] m).