X

-

square MapleMatrix, or MatlabMatrix

output

-

specify the form of the output (optional)

R

-

return only unitary Q matrix

RP

-

return Q and upper decomposed R matrix

[1.            0.         ]

[                         ]

[0.    1.73205080756887720]

        [1.73205080756887720    0.577350269189625842    1.73205080756887742]

        [                                                                  ]

r, p := [        0.             2.38047614284761665     1.26025207562520891], 4.

        [                                                                  ]

        [        0.                      0.             1.84709629036559763]