You are correct. And unfortunately, TRALM does not have a way for the user to 
specify an initial guess.

    Ray


> On Jan 27, 2016, at 1:33 AM, Jiang <[email protected]> wrote:
> 
> Hi, Ray
> 
> Thanks very much for your reply. I'm working with the TRALM solver in TSOPF 
> since it appears to effective for some critical cases. But to my knowledge, 
> MIPS does not have a trust region algorithm.
> 
> 
> 
> Regards,
> Chuyang
> 
> 在2016年01月26 23时19分, "Ray Zimmerman"<[email protected]>写道:
> 
> It is not possible. However, MIPS is essentially the same algorithm and you 
> can set the initial guess by setting voltages and generation values in the 
> case file/struct and then calling runopf with the following options ..
> 
> mpopt = mpoption('opf.ac.solver', 'MIPS', 'opf.init_from_mpc', 1);
> 
> — Ray
> 
> 
>> On Jan 26, 2016, at 8:52 AM, Jiang <[email protected] <mailto:[email protected]>> 
>> wrote:
>> 
>> Dear all,
>> 
>> Does anyone know how to set the initial guess of TSOPF?
>> Thanks in advance.
>> 
>> 
>> Regards,
>> Chuyang
>> 
> 

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