Commute: Difference between revisions

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{{Built-in|Commute|⍨}} is a [[Primitive function|primitive]] [[monadic]] [[operator]] that takes a [[function]] on its left and returns a new function with swapped arguments.
 
== Examples ==
 
<source lang=apl>
 
</source>
 
== External links ==
 
=== Lessons ===
 
* [https://chat.stackexchange.com/transcript/52405?m=40900200#40900200 APL Cultivation]
 
=== Documentation ===
 
* [http://help.dyalog.com/latest/index.htm#Language/Primitive%20Operators/Commute.htm Dyalog]
* [http://microapl.com/apl_help/ch_020_020_400.htm APLX]
* J [https://www.jsoftware.com/help/dictionary/d121.htm Dictionary], [https://code.jsoftware.com/wiki/Vocabulary/minusdot NuVoc]
 
{{APL built-ins}}

Revision as of 06:55, 26 April 2020

Commute () is a primitive monadic operator that takes a function on its left and returns a new function with swapped arguments.

Examples


External links

Lessons

Documentation


APL built-ins [edit]
Primitives (Timeline) Functions
Scalar
Monadic ConjugateNegateSignumReciprocalMagnitudeExponentialNatural LogarithmFloorCeilingFactorialNotPi TimesRollTypeImaginarySquare Root
Dyadic AddSubtractTimesDivideResiduePowerLogarithmMinimumMaximumBinomialComparison functionsBoolean functions (And, Or, Nand, Nor) ∙ GCDLCMCircularComplexRoot
Non-Scalar
Structural ShapeReshapeTallyDepthRavelEnlistTableCatenateReverseRotateTransposeRazeMixSplitEncloseNestCut (K)PairLinkPartitioned EnclosePartition
Selection FirstPickTakeDropUniqueIdentityStopSelectReplicateExpandSet functions (IntersectionUnionWithout) ∙ Bracket indexingIndexCartesian ProductSort
Selector Index generatorGradeIndex OfInterval IndexIndicesDealPrefix and suffix vectors
Computational MatchNot MatchMembershipFindNub SieveEncodeDecodeMatrix InverseMatrix DivideFormatExecuteMaterialiseRange
Operators Monadic EachCommuteConstantReplicateExpandReduceWindowed ReduceScanOuter ProductKeyI-BeamSpawnFunction axis
Dyadic BindCompositions (Compose, Reverse Compose, Beside, Withe, Atop, Over) ∙ Inner ProductDeterminantPowerAtUnderRankDepthVariantStencilCutDirect definition (operator)
Quad names Index originComparison toleranceMigration levelAtomic vector