lar
to <code>EnergyMats_2000</code> above.</li>
<li>
<code><a href="https://tidyr.tidyverse.org/reference/spread.html" class="external-link">tidyr::spread</a></code> the matrices to obtain a data frame with
columns for each matrix, similar to <code>Energy</code> above.</li>
<li>Validate the data, similar to <code>Check</code> above.</li>
<li>Perform matrix algebra operations on the columns of matrices using
<code>matsbyname</code> functions in a manner similar to the process of
generating the <code>Etas</co