In [1]:
import nengo

model = nengo.Network()
with model:
    a = nengo.Ensemble(n_neurons=100, dimensions=2)
    b = nengo.Ensemble(n_neurons=100, dimensions=2)
    conn = nengo.Connection(a, b, function=lambda x: x**2)
    
sim = nengo.Simulator(model)

In [2]:
print sim.model.params[conn].solver_info['rmses']


[ 0.03764581  0.03546312]

In [ ]: