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Reshape: Difference between revisions
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Reshape can also decrease the rank or [[bound]] of an array. One notable example is the use of an empty left argument <source lang=apl inline> | Reshape can also decrease the rank or [[bound]] of an array. One notable example is the use of an empty left argument [[Zilde]] (<source lang=apl inline>⍬</source>) to produce a [[scalar]]. The scalar is the first 0-[[cell]] of the right argument. In [[Nested array model|nested]] languages <source lang=apl inline>⍬⍴</source> is like [[First]] except that it does not remove a layer of nesting. | ||
<source lang=apl> | <source lang=apl> | ||
9 ⍴ ∘.+⍨ 1 2 1 | 9 ⍴ ∘.+⍨ 1 2 1 | ||