<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial">  i want to implement the under-relaxation version of the equation. it nees to scale the diagonal value a matrix with the relaxation factor, could you please tell me how to achieve this goal. <br><br><div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial"></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>