[Octave-bug-tracker] [bug #46859] Error in "for" cycle

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?46859>

                 Summary: Error in "for" cycle
                 Project: GNU Octave
            Submitted by: None
            Submitted on: sab 09 gen 2016 14:21:21 UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Francesco Menoncin
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: GNU/Linux

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Details:

T=1001/250;
dt=1/250;
x(1)=10;
for i=2:T/dt
x(i)=x(i-1)+randn();
end

These commands give the following error message (since T/dt is not exactly
equal to 1001):

error: subscript indices must be either positive integers less than 2^31 or
logicals

When T=1000/250, for instance, the error is not produced and the result is
correct.

I have checked with other software (Scilab and R) and this mistake is not
produced.




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