Heaviside#
:class:~sinabs.activation.Heaviside
surrogate gradient.
import matplotlib.pyplot as plt
import torch
import sinabs.activation as sina
x = torch.linspace(-2, 4, 500)
plt.plot(x, sina.Heaviside(window=0.5)(v_mem=x, spike_threshold=1.0), label="Heaviside")
plt.xlabel("Neuron membrane potential")
plt.ylabel("Derivative")
plt.legend()
<matplotlib.legend.Legend at 0x7fb7081f6cd0>
