Equation in 01-3.md doesn't render about nyu-dlsp20 HOT 6 CLOSED

Should work if you get rid of the \label line.

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Any update, @titusjgr?

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What was the \label line for?

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In Latex, it's so you can \ref{label_name} in a future section, but I don't see it used anywhere else so the student probably just inserted it by mistake.

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Some lines are referencing equations using numbers. Should I manually \tag those referenced?

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I confirm that removing the label and adding one empty line before and after the equation gets the equation rendered.
So, just go with what currently is done in 01-3.md.

Next, we visualize the following transformation:

$$
f(x) = \tanh\bigg(\begin{bmatrix} s & 0 \\ 0 & s \end{bmatrix} \bigg)
$$

Recall, the graph of $\tanh(\cdot)$ in Fig. 4.

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