QR decomposition: Difference between revisions
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(QR decomposition with Numeric.LinearAlgebra) |
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[1.0000000000000004,-0.9999999999999999,1.0] |
[1.0000000000000004,-0.9999999999999999,1.0] |
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</pre> |
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===QR decomposition with Numeric.LinearAlgebra=== |
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<lang haskell>import Numeric.LinearAlgebra |
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a :: Matrix R |
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a = (3><3) |
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[ 12, -51, 4 |
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, 6, 167, -68 |
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, -4, 24, -41] |
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main = do |
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print $ qr a |
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</lang> |
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{{out}} |
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<pre>((3><3) |
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[ -0.8571428571428572, 0.3942857142857143, 0.33142857142857146 |
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, -0.4285714285714286, -0.9028571428571428, -3.428571428571427e-2 |
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, 0.28571428571428575, -0.17142857142857137, 0.9428571428571428 ],(3><3) |
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[ -14.0, -21.0, 14.000000000000002 |
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, 0.0, -175.00000000000003, 70.00000000000001 |
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, 0.0, |
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</pre> |
</pre> |
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