LaTex - Disable equation auto numbering

 

$$
\Large
\begin{align}
W_{xr} & =
\begin{cases}
\begin{array}{rr}
-0.0930, & 0.0497,
\\
0.4670, & -0.5319,
\end{array}
\end{cases}
\\
W_{xz} & =
\begin{cases}
\begin{array}{rr}
-0.6656, & 0.0699,
\\
-0.1662, & 0.0654,
\end{array}
\end{cases}
\\
W_{xn} & =
\begin{cases}
\begin{array}{rr}
-0.0449, & -0.6828,
\\
-0.6769, & -0.1889,
\end{array}
\end{cases}
\end{align}
$$

 

 

$$
\Large
\begin{align}
W_{xr} & =
\begin{cases}
\begin{array}{rr}
-0.0930, & 0.0497,
\\
0.4670, & -0.5319,
\end{array}
\end{cases} \nonumber
\\
W_{xz} & =
\begin{cases}
\begin{array}{rr}
-0.6656, & 0.0699,
\\
-0.1662, & 0.0654,
\end{array}
\end{cases} \nonumber
\\
W_{xn} & =
\begin{cases}
\begin{array}{rr}
-0.0449, & -0.6828,
\\
-0.6769, & -0.1889,
\end{array}
\end{cases} \nonumber
\end{align}
$$