Matrix transposition: Difference between revisions
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Output: |
Output: |
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Matrix[[1, 2, 3, 4, 5], [1, 4, 9, 16, 25], [1, 8, 27, 64, 125], [1, 16, 81, 256, 625]] |
Matrix[[1, 2, 3, 4, 5], [1, 4, 9, 16, 25], [1, 8, 27, 64, 125], [1, 16, 81, 256, 625]] |
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=={{header|Scala}}== |
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<lang scala>scala> Array.tabulate(4)(i => Array.tabulate(4)(j => i*4 + j)) |
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res12: Array[Array[Int]] = Array(Array(0, 1, 2, 3), Array(4, 5, 6, 7), Array(8, 9, 10, 11), Array(12, 13, 14, 15)) |
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scala> res12.transpose |
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res13: Array[Array[Int]] = Array(Array(0, 4, 8, 12), Array(1, 5, 9, 13), Array(2, 6, 10, 14), Array(3, 7, 11, 15)) |
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scala> res12 map (_ map ("%2d" format _) mkString " ") mkString "\n" |
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res16: String = |
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0 1 2 3 |
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4 5 6 7 |
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8 9 10 11 |
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12 13 14 15 |
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scala> res13 map (_ map ("%2d" format _) mkString " ") mkString "\n" |
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res17: String = |
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0 4 8 12 |
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1 5 9 13 |
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2 6 10 14 |
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3 7 11 15</lang> |
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=={{header|Scheme}}== |
=={{header|Scheme}}== |
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