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lines changed Original file line number Diff line number Diff line change 4646:label: la_se
4747
4848\begin{aligned}
49-
50- y_1 = a_{11} x_1 + a_{12} x_2 + \cdots + a_{1k} x_k \\
49+ y_1 = a_{11} x_1 + a_{12} x_2 + \cdots + a_{1k} x_k \\
5150 \vdots \\
5251 y_n = a_{n1} x_1 + a_{n2} x_2 + \cdots + a_{nk} x_k
5352\end{aligned}
489488\gamma A =
490489\gamma
491490\begin{bmatrix}
492-
493491a_{11} & \cdots & a_{1k} \\
494492 \vdots & \vdots & \vdots \\
495493 a_{n1} & \cdots & a_{nk}
@@ -546,7 +544,6 @@ A x =
546544 a_{11} & \cdots & a_{1k} \\
547545 \vdots & \vdots & \vdots \\
548546 a_{n1} & \cdots & a_{nk}
549-
550547\end{bmatrix}
551548\begin{bmatrix}
552549 x_{1} \\
10131010
10141011当然,如果 $B$ 是方阵且可逆,我们可以将广义特征值问题转化为普通特征值问题 $B^{-1} A v = \lambda v$,但情况并非总是如此。
10151012
1016- ## 进阶主题
1013+ ## 进阶概念
10171014
1018- 我们通过简要介绍几个其他重要主题来结束讨论 。
1015+ 我们通过简要介绍几个其他重要概念来结束讨论 。
10191016
10201017### 级数展开
10211018
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