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 ...

UpperCaseQ[string] yields True if all the characters in the string are uppercase letters, and yields False otherwise.

UpperTriangularize[m] gives a matrix in which all but the upper triangular elements of m are replaced with zeros. UpperTriangularize[m, k] replaces with zeros only the ...

ViewAngle is an option for Graphics3D and related functions which gives the opening half-angle for a simulated camera used to view the three-dimensional scene.

WatsonUSquareTest[data] tests whether data is normally distributed using the Watson U^2 test.WatsonUSquareTest[data, dist] tests whether data is distributed according to dist ...

$MessagePrePrint is a global variable whose value, if set, is applied to expressions before they are included in the text of messages.

$MinPrecision gives the minimum number of digits of precision to be allowed in arbitrary-precision numbers.

$RecursionLimit gives the current limit on the number of levels of recursion that Mathematica can use.

Cellular automata provide a convenient way to represent many kinds of systems in which the values of cells in an array are updated in discrete steps according to a local ...

When you do symbolic calculations, it is quite easy to end up with extremely complicated expressions. Often, you will not even want to see the complete result of a ...