Unequal (Built-in Mathematica Symbol)

lhs != rhs or lhs != rhs returns False if lhs and rhs are identical.

Unevaluated (Built-in Mathematica Symbol)

Unevaluated[expr] represents the unevaluated form of expr when it appears as the argument to a function.

UniformDistribution (Built-in Mathematica Symbol)

UniformDistribution[{min, max}] represents a continuous uniform statistical distribution giving values between min and max. UniformDistribution[] represents a uniform ...

UniformGraphDistribution (Built-in Mathematica Symbol)

UniformGraphDistribution[n, m] represents a uniform graph distribution on n-vertex, m-edge graphs.

UniformSumDistribution (Built-in Mathematica Symbol)

UniformSumDistribution[n] represents the distribution of a sum of n random variables uniformly distributed from 0 to 1.UniformSumDistribution[n, {min, max}] represents the ...

Uninstall (Built-in Mathematica Symbol)

Uninstall[link] terminates an external program started by Install, and removes Mathematica definitions set up by it.

Union (Built-in Mathematica Symbol)

Union[list_1, list_2, ...] gives a sorted list of all the distinct elements that appear in any of the list_i. Union[list] gives a sorted version of a list, in which all ...

UnionPlus (Built-in Mathematica Symbol)

UnionPlus[x, y, ...] displays as x \[UnionPlus] y \[UnionPlus] ....

Unique (Built-in Mathematica Symbol)

Unique[] generates a new symbol, whose name is of the form $nnn. Unique[x] generates a new symbol, with a name of the form x$nnn. Unique[{x, y, ...}] generates a list of new ...

UnitBox (Built-in Mathematica Symbol)

UnitBox[x] represents the unit box function, equal to 1 for |x| <= 1/2 and 0 otherwise.UnitBox[x_1, x_2, ...] represents the multidimensional unit box function, equal to 1 if ...