续例5.2含受控源的电阻电路 1 1 1 0 -k1 1W8 1 R R2 R2 1 1 +1+1 2 up 0 R R2 R3 R R3 1 s -1 0 R2 R2 i 0 1 0 0续例5.2 含受控源的电阻电路 s 2 1 b a 4 2 2 1 3 2 2 2 3 4 1 1 2 2 0 0 0 1 0 1 1 0 1 0 1 1 1 1 1 1 0 1 1 1 i i i u u R R R k R k R R R R k R R R                       =                                               − − − − + + − + − −