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Section 1.1 Aside followed by math
This
<section> has three children. In order, they are:
<p>,
<aside>,
<p>. When the aside is unknowled while floating, it pushes the math in the second paragraph down.
Aside: An aside.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce gravida sed enim ut tristique. Vestibulum a eros massa. Sed vel lacus sit amet turpis pharetra euismod sit amet at dolor. Fusce lobortis tellus augue, eu tincidunt odio pretium et. Phasellus sollicitudin, ex a sagittis pellentesque, urna ante pulvinar nisl, et maximus orci tellus vel diam. Praesent iaculis, mi nec gravida pharetra, augue ex rutrum libero, et rutrum est nisl vel dolor.
Here are some matrices.
\begin{align*}
A \amp = \begin{bmatrix} 1 \amp 3 \\ 3 \amp 1 \end{bmatrix} \amp
B \amp = \begin{bmatrix} 4 \amp 0 \\ 0 \amp -2 \end{bmatrix} \amp
P \amp = \begin{bmatrix} 1 \amp -1 \\ 1 \amp 1 \end{bmatrix} \amp
P^{-1} \amp = \frac{1}{2} \begin{bmatrix} 1 \amp 1 \\ -1 \amp 1 \end{bmatrix}
\end{align*}
Aren’t they nice?
