[Octave-bug-tracker] [bug #39267] Unable to use findpeaks : Error:subscript indices must be either positive integers or logicals

[Debatri Chatterjee]

URL:
  <http://savannah.gnu.org/bugs/?39267>

                 Summary: Unable to use findpeaks : Error:subscript indices
must be either positive integers or logicals
                 Project: GNU Octave
            Submitted by: debatri
            Submitted on: Mon 17 Jun 2013 10:50:30 AM GMT
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Debatri Chatterjee
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.6.4
        Operating System: Microsoft Windows

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Details:

I tried to use "findpeaks" in the following block of 
> code and is getting Error: subscript indices must be either positive 
> integers or logicals. 
> t=[1:400]'; 
> f1=500; 
> f2=4000; 
> fs=24000; 
> ts=1/fs; 
> y1=sin(2*pi*f1/fs*t); 
> y2=sin(2*pi*f2/fs*t); 
> data1=2+(0.2*y1+y2); 
> [pks idx] = findpeaks(data1);




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