def __init__(self, input_dim, X, variances=None, ARD=False, active_dims=None, name='<STR_LIT>'):
super(sde_Linear, self).__init__(input_dim, variances, ARD, active_dims, name)<EOL>self.t0 = np.min(X)<EOL>
Modify the init method, because one extra parameter is required. X - points
on the X axis.