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→Scatter-point

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== Extensions == | == Extensions == | ||

=== Scatter-point === | === Scatter-point === | ||

In [[A Dictionary of APL]] and [[ | In [[A Dictionary of APL]], [[J]], and [[SAX]], a boxed left argument indicates that each [[element]] will be used independently to select a [[cell]] of the argument. The behavior on a single element is very similar to APL's [[Index (function)|Index]] function. <source lang=j inline>{</source> has a left [[Function rank|rank]] of 0, so that results are [[mix]]ed together and those with different shapes may be padded with [[fill]]s. | ||

<source lang=j> | <source lang=j> | ||

]a =. 4 4$(a.i.'A')}.a. | ]a =. 4 4$(a.i.'A')}.a. |

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