project\Afpek.m .......\bus4.m .......\Busout.m .......\Dfpek.m .......\dynamic.doc .......\Enter clearing time of fault in sec.docx .......\Lfnewton.m .......\Lfybus.m .......\pei.m .......\result bus4.m .......\Trstab.m .......\Untitled.m .......\y bus.m .......\Ybusaf.m .......\Ybusbf.m .......\Ybusdf.m