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[英]Is there an idiomatic way to print a vector(list) or a character string diagonally in J?
[英]Idiomatic J for value of item at index n of array x
在J语言中,返回数组x的索引n处的项目值的惯用词或短语是什么? {::的文档似乎与装箱的值有关,将普通数组作为事后的想法。
nth =: {:: NB. This is what I have found, but is there a better word?
2 nth 5 12 73 23 89
73
1 nth 3 3 $ i.9
3 4 5
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