<filename>tutorials/W2D3_BiologicalNeuronModels/solutions/W2D3_Tutorial1_Solution_eba2370f.py

"""
If we use a DC input, the F-I curve is deterministic, and we can
found its shape by solving the membrane equation of the neuron. If we have GWN,
as we increase the sigma, the F-I curve has a more linear shape, and the neuron
reaches its threshold using less average injected current.
"""