Please refer your question to a general MATLAB forum as this is not a MATPOWER-specific question.
Best, -- Ray Zimmerman Senior Research Associate 419A Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On Nov 25, 2012, at 3:33 PM, [email protected] <[email protected]> wrote: > Dear Sir, > I want to solve a nonlinear matrix system. The equation is as " > b-(a*x)*(a'*x*a)^-1=0 " where "a" and "b" are as the matrix form. Can you > help me to solve this matrix equation in MATLAB? > Thanks and best, > > Mohsen Akbari > M.Sc. in Power Systems Engineering > Electrical Engineering Department > K.N. Toosi University of Technology > Tehran, Iran > E-Mail: [email protected] , [email protected] > > From: Ray Zimmerman <[email protected]> > To: MATPOWER discussion forum <[email protected]> > Sent: Monday, October 29, 2012 6:26 PM > Subject: Re: LMP calculated by DCOPF > > Without losses. > > -- > Ray Zimmerman > Senior Research Associate > 419A Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > On Oct 29, 2012, at 4:54 AM, [email protected] > <[email protected]> wrote: > >> ِDear Sir, >> In DCOPF method, LMP is calculated without power losses or with power losses? >> Thanks and best, >> >> Mohsen Akbari >> M.Sc. in Power Systems Engineering >> Electrical Engineering Department >> K.N. Toosi University of Technology >> Tehran, Iran >> E-Mail: [email protected] , [email protected] >> From: Ray Zimmerman <[email protected]> >> To: MATPOWER discussion forum <[email protected]> >> Sent: Friday, October 26, 2012 9:29 PM >> Subject: Re: Calculation of the line reactance by the given PTDF matrix >> >> I checked with my colleague HyungSeon Oh who has worked on this (see his >> paper [1]) and he claims that given a PTDF and the network topology you can >> calculate *relative* reactances of the lines, so you would need the >> reactance of at least one line to use as a reference. >> >> [1] >> http://www.eng.buffalo.edu/Research/BEST/Publication/IEEE_NetworkReduction.pdf >> >> -- >> Ray Zimmerman >> Senior Research Associate >> 419A Warren Hall, Cornell University, Ithaca, NY 14853 >> phone: (607) 255-9645 >> >> >> >> >> On Oct 25, 2012, at 6:42 PM, [email protected] >> <[email protected]> wrote: >> >>> Dear Sir, >>> Is it possible to calculate the reactance of lines by the given PTDF matrix >>> of a power network? How? >>> Thanks and best, >>> >>> Mohsen Akbari >>> M.Sc. in Power Systems Engineering >>> Electrical Engineering Department >>> K.N. Toosi University of Technology >>> Tehran, Iran >> >> >> > > >
