Are you referring to the real part of the (i, j) entry in Ybus? You can find Ybus using makeYbus()<https://matpower.org/docs/ref/matpower7.0/lib/makeYbus.html>.
Ray On Jan 19, 2020, at 4:35 PM, Mohamed Shaheen <mohamed.shaheen9...@gmail.com<mailto:mohamed.shaheen9...@gmail.com>> wrote: ---------- Forwarded message --------- From: Mohamed Shaheen <mohamed.shaheen9...@gmail.com<mailto:mohamed.shaheen9...@gmail.com>> Date: Mon, Jan 20, 2020, 00:20 Subject: To: MATPOWER discussion forum <matpowe...@list.cornell.edu<mailto:matpowe...@list.cornell.edu>> Dear all, I want to solve Ploss optimization problem. The equation of power losses includes 'Gk' which is the mutual conductance between bus 'i' and bus 'j'. How can I get 'Gk' from Matpower branch data? Thanks, M.Shaheen [https://mailfoogae.appspot.com/t?sender=abW9oYW1lZC5zaGFoZWVuOTMxNkBnbWFpbC5jb20%3D&type=zerocontent&guid=6349dbdb-c1b3-4720-be21-c7d1ab0e7f06]ᐧ