Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/26e9fd00e5011468958f51a066c8262b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 symmetric matrix英英字典_symmetric matrix剑桥英语解释_symmetric matrix柯林斯英文解释_淳朴汉英词典
1. N a square matrix that is equal to its transpose, being symmetrical about its main diagonal. A skew symmetric matrix is equal to the negation of its transpose 對稱矩陣[maths] →compare orthogonal matrix