Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
tr(A) 为 “迹”。迹为主对角线之和
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
Initializing MathJax...
此处有表格
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