Could you post the output of the following commands?
which ver
which isempty
v = ver('Matlab’)
path
My suspicion is that you may have a user-defined function called ver() in your
Matlab path for the 2014b version that is masking Matlab’s built-in ver()
function.
— Ray
> On Dec 15, 2015, at 12:14 PM, Ayman Esmat <[email protected]> wrote:
>
> Good Evening,
>
> I have a bit of strange problem that I don't know how to solve it.
>
> My Computer is working on Windows 7 SP1 64-Bit.
> I have two versions of Matlab installed on my computer ( Matlab R2011A &
> Matlab R2014b)
>
> When I use the older version of Matlab (2011), matpower is working perfectly
> (running PF and OPF).
>
> However, when I use the earlier version of Matlab (2014), I can only run a PF
> (power flow). When I try to run an OPF (Optimal Power Flow) I receive this
> message:
> Error using isempty
> Too many input arguments.
>
> Error in have_fcn (line 332)
> if ~isempty(v) && isfield(v, 'Version') && ~isempty(v.Version)
>
> Error in have_fcn (line 400)
> if have_fcn('matlab')
>
> Error in opf_execute (line 61)
> if have_fcn('pdipmopf')
>
> Error in opf (line 206)
> [results, success, raw] = opf_execute(om, mpopt);
>
> Error in runopf (line 77)
> [r, success] = opf(casedata, mpopt);
>
>
> So I tried to write "test_matpower" to see if there is a problem and I get
> this message:
>
> Error using isempty
> Too many input arguments.
>
> Error in have_fcn (line 332)
> if ~isempty(v) && isfield(v, 'Version') && ~isempty(v.Version)
>
> Error in have_fcn (line 400)
> if have_fcn('matlab')
>
> Error in test_matpower (line 52)
> if have_fcn('pdipmopf')
>
>
> The output of mpver is :
>
> ATPOWER Version 5.1 20-Mar-2015
> MATLAB Version MATPOWER
> 8.4 Version 5.1 Error using isempty
> Too many input arguments.
>
> Error in mpver (line 56)
> if ~isempty(v{n}.Date)
>
>
> I really need to use the newer version of Matlab.
> Just to point out, I have this problem when I use matpower version 5.1 or 5.0
>
> Any one can help?!
>
> Thanks in advance,
>
> Ayman Esmat
