It is also non-negative definite.

回答: 比如 0-矩阵weston2015-03-06 17:03:25

Not a good example.

:)

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You don't get it. No surprise here. -weston- 给 weston 发送悄悄话 weston 的博客首页 (0 bytes) () 03/07/2015 postreply 06:14:59

I got your not-so-good math skill. :) -career- 给 career 发送悄悄话 (0 bytes) () 03/07/2015 postreply 06:59:58

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