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Task/Identity-matrix/JavaScript/identity-matrix-1.js
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Task/Identity-matrix/JavaScript/identity-matrix-1.js
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function idMatrix(n) {
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return Array.apply(null, new Array(n))
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.map(function (x, i, xs) {
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return xs.map(function (_, k) {
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return i === k ? 1 : 0;
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})
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});
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}
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