[Octave-bug-tracker] [bug #34605] isequal fails on diagonal matrix

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?34605>

                 Summary: isequal fails on diagonal matrix
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Thu 20 Oct 2011 16:43:50 UTC
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Steve Duncan
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.2.4
        Operating System: GNU/Linux

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Details:

Is this intended behaviour?  How do I compare a matrix to the identity
matrix?

Thanks,

Steve Duncan




octave:71> A=rand(10)
A =

   0.8541142   0.2760660   0.0053036   0.7026597   0.9588326   0.8909368  
0.1658030   0.6372311   0.2766075   0.2418921
   0.5601176   0.6047160   0.0225558   0.6967359   0.2662879   0.7684584  
0.8662384   0.3087393   0.7798941   0.6425195
   0.4815580   0.7016791   0.0372791   0.3107462   0.0695602   0.5462609  
0.7493015   0.8596723   0.9004516   0.5153407
   0.0037781   0.6091267   0.4665791   0.2237632   0.7624133   0.9135788  
0.8766977   0.6816254   0.3226005   0.4676575
   0.7986358   0.4716070   0.7835740   0.2671069   0.4370994   0.5149109  
0.3637269   0.1333491   0.3258425   0.1321516
   0.6954933   0.8980488   0.1318831   0.4911706   0.5989588   0.0489876  
0.2138970   0.1150097   0.7687409   0.8190972
   0.2501488   0.5443383   0.2881034   0.7754163   0.7786770   0.7167102  
0.4766052   0.8544575   0.3270072   0.9556337
   0.9740535   0.7791123   0.1972288   0.2053291   0.5194035   0.9675020  
0.4822461   0.1041799   0.9192387   0.5668166
   0.9607174   0.1995555   0.3534172   0.8928978   0.1105083   0.3888662  
0.5562219   0.6937208   0.2513017   0.0104643
   0.7551657   0.8925518   0.4434460   0.9665361   0.7979985   0.7444083  
0.1025406   0.5125457   0.0285691   0.8140902

octave:72> B=eye(10)
B =

Diagonal Matrix

   1   0   0   0   0   0   0   0   0   0
   0   1   0   0   0   0   0   0   0   0
   0   0   1   0   0   0   0   0   0   0
   0   0   0   1   0   0   0   0   0   0
   0   0   0   0   1   0   0   0   0   0
   0   0   0   0   0   1   0   0   0   0
   0   0   0   0   0   0   1   0   0   0
   0   0   0   0   0   0   0   1   0   0
   0   0   0   0   0   0   0   0   1   0
   0   0   0   0   0   0   0   0   0   1

octave:73> isequal(A,A)
ans =  1
octave:74> isequal(A,I)
error: mx_el_eq: nonconformant arguments (op1 is 100x1, op2 is 10x1)
error: called from:
error:   /usr/share/octave/3.2.4/m/general/__isequal__.m at line 168, column
4
error:   /usr/share/octave/3.2.4/m/general/isequal.m at line 28, column 12






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