File: qr-2.m

package info (click to toggle)
octave 2.0.16-2
  • links: PTS
  • area: main
  • in suites: potato
  • size: 26,276 kB
  • ctags: 16,450
  • sloc: cpp: 67,548; fortran: 41,514; ansic: 26,682; sh: 7,361; makefile: 4,077; lex: 2,008; yacc: 1,849; lisp: 1,702; perl: 1,676; exp: 123
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))