ac_analysis running ac_analysis about to read input input: I 1 2 1.0 input: R 1 2 2.0 input: R 0 1 100.0 input: R 0 2 100.0 input: A 1 2 3 4 3.0 input: R 3 4 1.0 input: R 0 3 100.0 input: R 0 4 100.0 input: F 1.0 1.0 2.0 ReadInput finished number of nodes=4, components=12 ac_analysis about to build Y and I admittance matrix Y A[0][0]=(0.51,0.0) A[0][1]=(-0.5,0.0) A[0][2]=(0.0,0.0) A[0][3]=(0.0,0.0) A[1][0]=(-0.5,0.0) A[1][1]=(0.51,0.0) A[1][2]=(0.0,0.0) A[1][3]=(0.0,0.0) A[2][0]=(3.0,0.0) A[2][1]=(-3.0,0.0) A[2][2]=(1.01,0.0) A[2][3]=(-1.0,0.0) A[3][0]=(-3.0,0.0) A[3][1]=(3.0,0.0) A[3][2]=(-1.0,0.0) A[3][3]=(1.01,0.0) current vector I X[0]=(-1.0,0.0) X[1]=(1.0,0.0) X[2]=(0.0,0.0) X[3]=(0.0,0.0) node voltages at frequency = 1.0 V[1]=(-0.9900990099009769,0.0) V[2]=(0.990099009900998,0.0) V[3]=(2.9555194325402687,0.0) V[4]=(-2.9555194325402696,0.0)