Permutation class

Class to represent a permutation for a subset of the natural numbers.

Constructors

Permutation(List<int> indices)

Initializes a new instance of the Permutation class within an array which represents where each integer is permuted too: indices[i] represents that integer i is permuted to location indices[i].

Permutation.fromInversions(List<int> inv)

Properties

dimension → int

Gets the number of elements this permutation is over.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

inverse() → Permutation

Computes the inverse of the permutation.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toInversions() → List<int>

Construct a sequence of inversions from the permutation.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

operator [](int idx) → int

Computes where idx permutes too.