# skrf.network.Network.y¶

Network.y

The y-matrix [1] is a 3-dimensional numpy.ndarray which has shape fxnxn, where f is frequency axis and n is number of ports. Note that indexing starts at 0, so y11 can be accessed by taking the slice y[:,0,0].
Returns: y – the admittance parameter matrix. complex numpy.ndarray of shape fxnxn