def update_one_cpu(self, param, state):
        ms = state['ms']
        grad = param.grad

        ms *= self.alpha
        ms += (1 * self.alpha) * grad * grad
        param.data -= self.lr * grad / (numpy.sqrt(ms) + self.eps)
dataset/ETHPy150Open pfnet/chainer/chainer/optimizers/rmsprop.py/RMSprop.update_one_cpu/operator `-` -> `*`