def parameters_changed(self):
<EOL>(F,L,Qc,H,Pinf,dF,dQc,dPinf) = self.kern.sde()<EOL>self._log_marginal_likelihood = self.kf_likelihood(F,L,Qc,H,self.sigma2,Pinf,self.X.T,self.Y.T)<EOL>gradients  = self.compute_gradients()<EOL>self.sigma2.gradient_full[:] = gradients[-<NUM_LIT:1>]<EOL>self.kern.gradient_full[:] = gradients[:-<NUM_LIT:1>]<EOL>
Parameters have now changed