Merge remote-tracking branch 'origin/develop' into develop

2 months ago · 33459d73db
parent f53bce8544 446b318909
commit 33459d73db
1 changed files with 0 additions and 1 deletions
--- a/试卷库/线性代数期末真题/线代2014秋A.md
+++ b/试卷库/线性代数期末真题/线代2014秋A.md
@ -168,7 +168,6 @@ $$
 \left[\left(\frac{1}{2} A\right)^{\mathrm{*}}\right]^{-1}BA^{-1} = 2AB + 4E,
 $$

-且$A^{*}\alpha = \alpha$，其中$\alpha = (1,1,-1)^{\mathrm{T}}$，$A^{*}$为$A$的伴随矩阵，求二次型$x^{\mathrm{T}}Bx$的表达式。

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