Sum (Built-in Mathematica Symbol)

Sum[f, {i, i_max}] evaluates the sum \[Sum]i = 1 i_max f. Sum[f, {i, i_min, i_max}] starts with i = i_min. Sum[f, {i, i_min, i_max, di}] uses steps d i. Sum[f, {i, {i_1, i_2, ...

ArrayComponents (Built-in Mathematica Symbol)

ArrayComponents[array] gives an array in which all identical elements of array are replaced by an integer index representing the component in which the element ...

Cos (Built-in Mathematica Symbol)

Cos[z] gives the cosine of z.

InterpolateRoot (Function Approximations Package Symbol)

InterpolateRoot[lhs == rhs, {x, x_0, x_1}] searches for a numerical solution to the equation lhs == rhs using x_0 and x_1 as the first two values of x.

ListConvolve (Built-in Mathematica Symbol)

ListConvolve[ker, list] forms the convolution of the kernel ker with list. ListConvolve[ker, list, k] forms the cyclic convolution in which the k\[Null]^th element of ker is ...

Introduction (GUIKit Package Tutorial)

The Java toolkit J/Link introduced Mathematica users to a powerful new technology for Mathematica programs to access the functionality of Java classes and, in particular, the ...

N (Built-in Mathematica Symbol)

N[expr] gives the numerical value of expr. N[expr, n] attempts to give a result with n-digit precision.

NIntegrate Introduction (Mathematica Tutorial)

The Mathematica function NIntegrate is a general numerical integrator. It can handle a wide range of one-dimensional and multidimensional integrals. Finding a numerical ...

Building GUIs (GUIKit Package Guide)

Permutation Groups (Combinatorica Package Guide)