[Octave-bug-tracker] [bug #56408] Error:invalid call to script even though proper syntax followed

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?56408>

                 Summary: Error:invalid call to script even though proper
syntax followed
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Tue 28 May 2019 11:27:10 PM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: umar
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 5.1.0
        Operating System: Microsoft Windows

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Details:

I was trying to load a function saved in the same working directory of the
Octave GUI. However, upon calling the script, an error message pops up.

The function, saved as costfunctionj.m, is:
J=costfunction(x,y,theta)

m=size(x,1);
predictions=x*theta;
sqrErrors=(predictions-y).^2;
J=1/(2*m)*sum(sqrErrors);

when it is called in GUI with

m=costfunctionj(x,y,theta);

the following error message shows up:

error: invalid call to script C:\Users\umara\Desktop\costfunctionj.m

I have searched for a solution everywhere but am unable to find one. It seems
this was a bug encountered in previous releases as well. Please get back to me
with the proper fix.




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