Odd and square numbers: Difference between revisions
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Line 373:
<lang J> (#~ 1=2|]) (#~ (=<.)@%:) 99}. i.1000
121 169 225 289 361 441 529 625 729 841 961</lang>
Or, we could instead have opted to not use filters at all, because the values are their own indices in the initial selection we were working with:
<lang J> I.((1=2|])*(=<.)@%:*>&99) i.1000
121 169 225 289 361 441 529 625 729 841 961</lang>
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