24 lines
345 B
JavaScript
24 lines
345 B
JavaScript
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/**
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* Transpose a matrix
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* @param {Array} mat
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* @returns {Array} ret
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* @private
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*/
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export function _switch(mat) {
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var I = mat.length;
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var J = mat[0].length;
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var i, j;
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var ret = [];
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for (j = 0; j < J; j++) {
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var tmp = [];
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for (i = 0; i < I; i++) {
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tmp.push(mat[i][j]);
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}
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ret.push(tmp);
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}
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return ret;
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}
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