Hello everyone,
I met some trouble  while changing the matpower solver to ipopt on windows,can 
anyone help me out?
first i installed matpower,and when i ran test_matpower,all tests were 
successful.
then i installed optitoolbox,when i set ipopt as the matpower solver in the 
sentence:
 >> mpopt=mpoption('opf.ac.solver','IPOPT');
it went wrong and displayed the following warning:
Warning: Improper installation of IPOPT. Version 3.12.5 detected, but 
IPOPT_AUXDATA.M is missing.
> In have_fcn (line 309)
  In mpoption_info_ipopt (line 31)
  In mpoption>mpoption_default (line 1462)
  In mpoption (line 480)
Ray helped me find the file IPOPT_AUXDATA.M  last time when i asked about it 
and solved this problem.
but after that when i ran opf with ipopt in the following sentence:
>> mpopt=mpoption('opf.ac.solver','IPOPT');
>> results=runopf('case30',mpopt);
 it went wrong again, and displayed the following warning:
Error using opf_execute (line 86)
opf_execute: MPOPT.opf.ac.solver = 'IPOPT' requires IPOPT (see 
http://www.coin-or.org/projects/Ipopt.xml)
Error in opf (line 204)
[results, success, raw] = opf_execute(om, mpopt);
Error in runopf (line 75)
[r, success] = opf(casedata, mpopt);
can anyone give me some advice?i would appreciate it a lot.
Thanks in advance
Best regards

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