Function definition: Difference between revisions
J: explicit definition.
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Works on arrays of any rank (any number of dimensions): atoms, lists, tables, etc.
Or, more verbosely (and a bit slower):
<lang J>multiply=: dyad define
x * y
)</lang>
Here we use an [http://www.jsoftware.com/help/dictionary/intro18.htm explicit] definition (where the arguments are named) rather than a [http://www.jsoftware.com/help/dictionary/intro19.htm tacit] version (where the arguments are implied). In explicit J verbs, x is the left argument and y is the right argument.
=={{header|Java}}==
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