File: qr-2.m

package info (click to toggle)
octave2.1 2.1.69-1
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 37,132 kB
  • ctags: 21,132
  • sloc: cpp: 106,345; fortran: 46,978; ansic: 7,673; sh: 4,315; makefile: 3,160; yacc: 3,115; lex: 2,880; lisp: 1,700; perl: 759; awk: 174; exp: 134
file content (10 lines) | stat: -rw-r--r-- 332 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
 
a = [0, 2, 1; 2, 1, 2];

[q, r, p] = qr (a);  # not giving right dimensions. XXX FIXME XXX

[qe, re, pe] = qr (a, 0);

(size (q) == [2, 2] && size (r) == [2, 3] && size (p) == [3, 3]
 && abs (q * r - a * p) < sqrt (eps)
 && size (qe) == [2, 2] && size (re) == [2, 3] && size (pe) == [1, 3]
 && abs (qe * re - a(:,pe)) < sqrt (eps))