There is an error in the Matlab document
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C=gallery('uniformdata',[5 4], 0);
[Q,R] = qr(C);
[Q,R] = qr(C,0);
[Q,R,P] = qr(C)
Q =
-0.3522 0.8398 -0.4131
-0.7044 -0.5285 -0.4739
-0.6163 0.1241 0.7777
R =
-11.3578 -8.2762
0 7.2460
0 0
P =
0 1
Of course I can not get these Q,R and P, but it certainly in Matlab Offical pdf Documents (MATLAB Primer, P3-31).
4 Comments
madhan ravi
on 29 May 2019
What error ? What is your question?
zhenyu zeng
on 29 May 2019
KALYAN ACHARJYA
on 29 May 2019
Edited: KALYAN ACHARJYA
on 29 May 2019
Q =
-0.6191 -0.1406 0.1899 -0.5058 -0.5522
-0.1506 -0.4084 -0.5034 0.5974 -0.4475
-0.3954 0.5564 -0.6869 -0.1478 0.2008
-0.3167 -0.6676 -0.1351 -0.1729 0.6370
-0.5808 0.2410 0.4695 0.5792 0.2207
R =
-1.5346 -1.0663 -1.2010 -1.4036
0 -0.7245 -0.3474 0.0126
0 0 -0.9320 -0.6596
0 0 0 0.6648
0 0 0 0
Q =
-0.6191 -0.1406 0.1899 -0.5058
-0.1506 -0.4084 -0.5034 0.5974
-0.3954 0.5564 -0.6869 -0.1478
-0.3167 -0.6676 -0.1351 -0.1729
-0.5808 0.2410 0.4695 0.5792
R =
-1.5346 -1.0663 -1.2010 -1.4036
0 -0.7245 -0.3474 0.0126
0 0 -0.9320 -0.6596
0 0 0 0.6648
Q =
-0.2404 0.5849 -0.1207 0.5297 -0.5522
-0.5544 -0.0343 -0.0737 -0.6970 -0.4475
-0.5434 -0.4896 -0.5272 0.3831 0.2008
-0.2431 0.6454 -0.2655 -0.2193 0.6370
-0.5296 -0.0236 0.7947 0.1967 0.2207
R =
-1.6874 -0.8816 -1.3607 -1.2765
0 0.9406 0.3537 0.5433
0 0 -0.6745 0.1277
0 0 0 0.6435
0 0 0 0
P =
0 0 0 1
0 1 0 0
0 0 1 0
1 0 0 0
>>
zhenyu zeng
on 29 May 2019
Edited: zhenyu zeng
on 30 May 2019
Answers (0)
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on 29 May 2019
on 30 May 2019
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