Lesson 12: Making Block Matrices in LATEX
-
按列分块:
[AAb⋯An−1b]
$$
\left[
\begin{array}{c|c|c|c}
A & Ab & \cdots & A^{n-1}b
\end{array}
\right]
$$
-
左右分块:
⎡⎣⎢⎢⎢⎢⎢a11a21⋮an1a12a22an2⋯⋯⋱⋯a1na2n⋮annb1b2⋮bn⎤⎦⎥⎥⎥⎥⎥
$$
\left[
\begin{array}{cccc|c}
a_{11}&a_{12}&\cdots&a_{1n}&b_1\\
a_{21}&a_{22}&\cdots&a_{2n}&b_2\\
\vdots&&\ddots&\vdots&\vdots\\
a_{n1}&a_{n2}&\cdots&a_{nn}&b_n\\
\end{array}
\right]
$$
-
四个对角:
C=[ACBD]
$$
C=
\left[
\begin{array}{c|c}
A& B \\ \hline
C& D
\end{array}
\right]
$$
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