KroneckerDelta (Built-in Mathematica Symbol)

KroneckerDelta[n_1, n_2, ...] gives the Kronecker delta \[Delta] Subscript[n, 1] Subscript[n, 2] ..., equal to 1 if all the n_i are equal, and 0 otherwise.

Length (Built-in Mathematica Symbol)

Length[expr] gives the number of elements in expr.

LibraryFunctionLoad (Built-in Mathematica Symbol)

LibraryFunctionLoad[lib, fun, argtype, rettype] loads Wolfram Library lib and makes the library function fun available in Mathematica.

Longest (Built-in Mathematica Symbol)

Longest[p] is a pattern object that matches the longest sequence consistent with the pattern p.

MapAll (Built-in Mathematica Symbol)

MapAll[f, expr] or f //@ expr applies f to every subexpression in expr.

MaxRecursion (Built-in Mathematica Symbol)

MaxRecursion is an option for functions like NIntegrate and Plot that specifies how many recursive subdivisions can be made.

NHoldAll (Built-in Mathematica Symbol)

NHoldAll is an attribute which specifies that none of the arguments to a function should be affected by N.

NMaxValue (Built-in Mathematica Symbol)

NMaxValue[f, x] gives the maximum value of f with respect to x.NMaxValue[f, {x, y, ...}] gives the maximum value of f with respect to x, y, .... NMaxValue[{f, cons}, {x, y, ...

NMinValue (Built-in Mathematica Symbol)

NMinValue[f, x] gives the minimum value of f with respect to x.NMinValue[f, {x, y, ...}] gives the minimum value of f with respect to x, y, .... NMinValue[{f, cons}, {x, y, ...

NonCommutativeMultiply (Built-in Mathematica Symbol)

a ** b ** c is a general associative, but non-commutative, form of multiplication.