[Octave-bug-tracker] [bug #41820] rlocus crashes on input when max_k is not specified for some input

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?41820>

                 Summary: rlocus crashes on input when max_k is not specified
for some input
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Mon 10 Mar 2014 01:36:52 AM UTC
                Category: Libraries
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.6.4
        Operating System: GNU/Linux

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Details:

octave:63> rlocus(tf([1 4 4], [1 8 1 8 0]));
warning: division by zero
error: roots: inputs must not contain Inf or NaN
error: called from:
error:   /usr/share/octave/3.6.4/m/polynomial/roots.m at line 85, column 5
error: evaluating argument list element number 1
error: evaluating argument list element number 1
error:   /usr/share/octave/packages/control-2.4.3/rlocus.m at line 173, column
23





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