<p>In <a href="https://github.com/mlpack/mlpack/pull/683#discussion_r66481867">src/mlpack/methods/edge_boxes/feature_extraction_impl.hpp</a>:</p>
<pre style='color:#555'>> + }
> +}
> +
> +//just a helper function, can't use it for anything else
> +//finds max numbers on cube axis and returns max values,
> +// also stores the locations of max values in Location
> +template<typename MatType, typename CubeType>
> +MatType StructuredForests<MatType, CubeType>::
> +MaxAndLoc(CubeType& mag, arma::umat& Location)
> +{
> + MatType MaxVal(Location.n_rows, Location.n_cols);
> + for(size_t i = 0; i < mag.n_rows; ++i)
> + {
> + for(size_t j = 0; j < mag.n_cols; ++j)
> + {
> + double max = -9999999999.0; int max_loc = 0;
</pre>
<p>It is unused and can be removed.</p>
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