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A numeric approach, based on a discussion in the J forums: |
A numeric approach, based on a discussion in the J forums: |
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<lang j>torle=: ({. , #);. |
<lang j>torle=: ({. , #);.1~ 1,2&(~:/\) |
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frle=: #~/@:|:</lang> |
frle=: #~/@:|:</lang> |
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