FourierDCT (Built-in Mathematica Symbol)

FourierDCT[list] finds the Fourier discrete cosine transform of a list of real numbers.FourierDCT[list, m] finds the Fourier discrete cosine transform of type m.

GroupOrbits (Built-in Mathematica Symbol)

GroupOrbits[group, {p_1, ...}] returns the orbits of the points p_i under the action of the elements of group.GroupOrbits[group, {p_1, ...}, f] finds the orbits under the ...

JacobiCN (Built-in Mathematica Symbol)

JacobiCN[u, m] gives the Jacobi elliptic function cn(u | m).

JacobiDN (Built-in Mathematica Symbol)

JacobiDN[u, m] gives the Jacobi elliptic function dn(u | m).

KroneckerProduct (Built-in Mathematica Symbol)

KroneckerProduct[m_1, m_2, ...] constructs the Kronecker product of the arrays m_i.

SortBy (Built-in Mathematica Symbol)

SortBy[list, f] sorts the elements of list in the order defined by applying f to each of them.

SystemsModelExtract (Built-in Mathematica Symbol)

SystemsModelExtract[sys, {i_1, i_2, ...}] extracts the subsystem of the StateSpaceModel or TransferFunctionModel object sys associated with inputs at position ...

Delay Differential Equations (Mathematica Tutorial)

A delay differential equation is a differential equation where the time derivatives at the current time depend on the solution and possibly its derivatives at previous times: ...

Utility Packages for Numerical ... (Mathematica Tutorial)

NDSolve returns solutions as InterpolatingFunction objects. Most of the time, simply using these as functions does what is needed, but occasionally it is useful to access the ...

BellB (Built-in Mathematica Symbol)

BellB[n] gives the Bell number B_n. BellB[n, x] gives the Bell polynomial B_n (x).