Fundamental loop matrix 1.2 and 3--tree branches and 3 orientation of l be the same as the chords 2/5 KVL D=U2+04=0 -U,+U 1-10:10 or BU=0 B 0-1-1:0 D matrix which corresponds to the chords of t' FI--matrix which corresponds to the tree branchesFundamental loop matrix 1, 2 and 3 -- tree branches, and orientation of lk be the same as the chords.       − − − = • 0 1 1 0 1 1 1 0 1 0 Bf    − − + = − + = 0 0 2 2 3 5 1 1 2 4       l l KVL: • • • or Bf b = 0       =                       − − − 0 0 0 1 1 0 1 1 1 0 1 0 5 4 3 2 1        • • • = − 1 T Bf F F matrix which corresponds t o the tree branches. T − − − • 1− −matrix whichcorresponds t o the chords of T. • 1 2 3 4 5 1 l 2 l