In [1]:

    

from lcapy import Circuit
cct = Circuit("""
V1 1 0, {12 *u(t)}; down
C1 1 2 1; right, size=2, v=v_C
R1 2 0_1 2; down, size=2, i=i, v=v_R
W 0 0_1; right
""")
cct.draw()


    

In [2]:

    

scct=cct.s_model()
scct.draw()


    

In [3]:

    

scct.elements.keys()


    

    
Out[3]:





odict_keys(['V1', 'ZC1', 'ZR1', 'Wanon1'])

In [4]:

    

scct['ZC1'].V


    

    
Out[4]:





$$\left\{ s : \frac{6}{s^{2} + \frac{s}{2}}\right\}$$