条件数¶

DD0D00DDD0DDD□DODDD? DDADDDDD□D?
JiaMin:
DDDDDDD D 1e-8 DDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Bob:
DD SPICFDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD D叩解叩“常叩“DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD YYDS
LU叩叩Ax=b□精叩叩叩&劝DDD0DD #23950 Reference: LU_condition_number.docx (From LePing)