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spd-正定矩阵

Nov 30, 2023
learnmathmatrix
1 Minutes
47 Words

正定正义

𝐴 is s.p.d. if only if for any 𝑣:

𝑣𝑇𝐴𝑣>0

  • 另一个角度:正定矩阵 <=> 特征值都严格正。

半正定定义

𝑣𝑇𝐴𝑣𝑔=0

Article title:spd-正定矩阵
Article author:Julyfun
Release time:Nov 30, 2023
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