lsoftmax.py 文件源码

def __init__(self, margin, beta, beta_min, scale):
        self.margin = int(margin)
        self.beta = float(beta)
        self.beta_min = float(beta_min)
        self.scale = float(scale)
        self.c_map = []
        self.k_map = []
        c_m_n = lambda m, n: math.factorial(n) / math.factorial(m) / math.factorial(n-m)
        for i in range(margin+1):
            self.c_map.append(c_m_n(i, margin))
            self.k_map.append(math.cos(i * math.pi / margin))