[Octave-bug-tracker] [bug #45469] Program execution stops unpredictably with error in plot statement

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?45469>

                 Summary: Program execution stops unpredictably with error in
plot statement
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Fr 03 Jul 2015 16:28:54 UTC
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Crash
                  Status: None
             Assigned to: None
         Originator Name: yge
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: Microsoft Windows

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Details:


The program works well with Matlab. Many simple plot statements are executed
one after the other. Execution in Octave also produces numerous plots, but
after an unpredictable and not reproducible loop number for a plot statement
like 

plot(frlis,DSlis(:,1),'b-',frlis,DSlis(:,2),'g-');

an error occurs:

    line at line 56 column 8
    __plt__>__plt2vv__ at line 500 column 10
    __plt__>__plt2__ at line 246 column 14
    __plt__ at line 113 column 17
    plot at line 220 column 10
    HF_Evaluation at line 499 column 1
error: octave_base_value::convert_to_str_internal (): wrong type argument
'<unknown
 type>'
error: called from
    __line__ at line 117 column 21
    line at line 56 column 8
    __plt__>__plt2vv__ at line 500 column 10
    __plt__>__plt2__ at line 246 column 14
    __plt__ at line 113 column 17
    plot at line 220 column 10
    HF_Evaluation at line 499 column 1
error: octave_base_value::convert_to_str_internal (): wrong type argument
'<unknown
 type>'

For proprietary reasons, I cannot send you the full program. The plots are
saved to jpg-files and the figure windows closed after saving, so that only a
small amount of figures are open at one time. 
My system is Windows 7, 64 bit. I have done several experiments with the
io-package, in order to get to work the external  xlswrite –statement. But
the error now also occurs without loading the io-package. 





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