Testing Expressions (Mathematica Guide)

Mathematica symbolic expressions can represent an immense range of types of objects. Mathematica provides a rich collection of functions to test expressions. Functions that ...

PossibleZeroQ (Built-in Mathematica Symbol)

PossibleZeroQ[expr] gives True if basic symbolic and numerical methods suggest that expr has value zero, and gives False otherwise.

Mathematica Syntax (Mathematica Guide)

Mathematica has a rich syntax carefully designed for consistency and efficient, readable entry of Mathematica's many language, mathematical, and other constructs. In addition ...

Entropy (Built-in Mathematica Symbol)

Entropy[list] gives the base E information entropy of the values in list.Entropy[k, list] gives the base k information entropy.

GraphDifference (Built-in Mathematica Symbol)

GraphDifference[g_1, g_2] gives the graph difference of the graphs g_1 and g_2.

DeleteDuplicates (Built-in Mathematica Symbol)

DeleteDuplicates[list] deletes all duplicates from list.DeleteDuplicates[list, test] applies test to pairs of elements to determine whether they should be considered ...

GraphIntersection (Built-in Mathematica Symbol)

GraphIntersection[g_1, g_2] gives the graph intersection of the graphs g_1 and g_2.GraphIntersection[g_1, g_2, ...] gives the graph intersection of g_1, g_2, ....

GraphUnion (Built-in Mathematica Symbol)

GraphUnion[g_1, g_2] gives the graph union of the graphs g_1 and g_2.GraphUnion[g_1, g_2, ...] gives the graph union of g_1, g_2, ....

StringMatchQ (Built-in Mathematica Symbol)

StringMatchQ["string", patt] tests whether " string" matches the string pattern patt. StringMatchQ["string", RegularExpression["regex"]] tests whether " string" matches the ...

FixedPoint (Built-in Mathematica Symbol)

FixedPoint[f, expr] starts with expr, then applies f repeatedly until the result no longer changes.