Matrix transposition: Difference between revisions
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}</lang> |
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=={{header|JavaScript}}== |
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{{works with|SpiderMonkey}} for the print() function. |
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<lang javascript>function Matrix(ary) { |
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this.mtx = ary |
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this.height = ary.length; |
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this.width = ary[0].length; |
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this.transpose = function() { |
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var transposed = []; |
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for (var i = 0; i < this.width; i++) { |
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transposed[i] = []; |
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for (var j = 0; j < this.height; j++) { |
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transposed[i][j] = this.mtx[j][i]; |
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} |
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} |
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return new Matrix(transposed); |
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} |
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this.toString = function() { |
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var s = [] |
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for (var i = 0; i < this.mtx.length; i++) |
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s.push( this.mtx[i].join(",") ); |
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return s.join("\n"); |
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} |
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} |
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var m = new Matrix([[1,1,1,1],[2,4,8,16],[3,9,27,81],[4,16,64,256],[5,25,125,625]]); |
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print(m.toString()); |
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print(); |
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print(m.transpose().toString());</lang> |
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produces |
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<pre>1,1,1,1 |
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2,4,8,16 |
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3,9,27,81 |
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4,16,64,256 |
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5,25,125,625 |
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1,2,3,4,5 |
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1,4,9,16,25 |
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1,8,27,64,125 |
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1,16,81,256,625</pre> |
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=={{header|Mathematica}}== |
=={{header|Mathematica}}== |