dloss_dv is the partial derivative of the losses w.r.t. voltage angle. It is an optional output argument. If you do not need it then don’t use it.
FYI: MATPOWER has an online function reference<http://www.pserc.cornell.edu/matpower/docs/ref/> where you can see the usage of all of its functions. Suggest going through this first and then sending questions to the list if something is not clear. Here’s the reference for the get_losses<http://www.pserc.cornell.edu/matpower/docs/ref/matpower6.0/get_losses.html> function. Shri From: <bounce-121659003-73493...@list.cornell.edu> on behalf of Akash Tyagi <akashtyagi0...@gmail.com> Reply-To: MATPOWER discussion forum <matpowe...@list.cornell.edu> Date: Saturday, July 15, 2017 at 2:04 AM To: MATPOWER discussion forum <matpowe...@list.cornell.edu> Subject: Get_losses Hello everyone, I am trying to use get_losses command and it's quite easy but i am not getting one thing in that command, mpc=loadcase(case5); results=runpf(mpc); [loss,fchg,tchg,dloss_dv]=get_losses(results); what is 'dloss_dv' given means??