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QR decomposition: Difference between revisions
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R %.~(|:Q)+/ .* Y
1 2 3</lang>
'''Notes''':J offers a built-in QR decomposition function, <tt>128!:0</tt>. If J did not offer this function as a built-in, it could written in J along the lines of the second version, which is covered in
=={{header|Mathematica}}==
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