Testing Expressions

参考归入此主题的 76 个函数，按其指南页自己的方式分组。

Equality & Inequality

True False Equal Unequal SameQ UnsameQ Less Greater LessEqual GreaterEqual Between

Logical Combinations »

And Or Not True False AllTrue AnyTrue NoneTrue

Operator Forms

GreaterThan LessThan GreaterEqualThan LessEqualThan EqualTo UnequalTo NearestTo

Numerical Properties

NumberQ MachineNumberQ RealValuedNumberQ NumericQ RealValuedNumericQ IntegerQ EvenQ OddQ PrimeQ CoprimeQ AlgebraicIntegerQ Positive Negative NonPositive NonNegative PossibleZeroQ

List-Oriented Tests

VectorQ MatrixQ ArrayQ MemberQ DuplicateFreeQ IntersectingQ DisjointQ SubsetQ ContainsAll ContainsNone ContainsAny ContainsOnly ContainsExactly AllMatch AnyMatch

Expression Tests

MatchQ FreeQ AtomQ ListQ TrueQ BooleanQ OrderedQ PolynomialQ DateObjectQ Order LexicographicOrder NumericalOrder AlphabeticOrder

String Tests »

StringQ StringMatchQ StringFreeQ LetterQ DigitQ SyntaxQ

全部 626 个主题 · 函数参考