def __init__(self, hyp=None, omega=0.8, var1=0.3, var2=0.5):
        """
        :param hyp: None
        """
        self.omega = omega
        self.var1 = var1
        self.var2 = var2
        super().__init__(hyp=hyp)
        self.name = 'sum of Gaussians'