brainpy.math.surrogate.ReluGrad# class brainpy.math.surrogate.ReluGrad(alpha=0.3, width=1.0)[source]# Judge spiking state with the ReLU gradient function. See also relu_grad __init__(alpha=0.3, width=1.0)[source]# Methods __init__([alpha, width]) surrogate_fun(x) The surrogate function. surrogate_grad(x) The gradient function of the surrogate function.