<DIV id=RTEContent>Dear All users:</DIV> <DIV> i am new users, when i relax supperlattice "BaTiO3/SrTiO3", the error appeared: from invmat : error # 2<BR> error in DGETRF</DIV> <DIV>,please tell me why?</DIV> <DIV> </DIV> <DIV>Regards</DIV> <DIV> </DIV> <DIV> </DIV> <DIV> zhuzhenye</DIV> <DIV><BR> </DIV><p>__________________________________________________<br>赶快注册雅虎超大容量免费邮箱?<br>http://cn.mail.yahoo.com