$$\left\{\begin{array}{l}{x}_{i}^{(t)}=\frac{{\tilde{x}}_{i}^{(t)}}{\langle {\tilde{{{{\bf{x}}}}}^{(t)}\rangle },\,\,{{\mbox{where}}}\,\,{\tilde{x}}_{i}^{(t)}={\sum ...