interval word need to be used

Author: qgeissmann

report/matmet.tex

@@ -73,7 +73,8 @@ \subsection{Addition of temporal features}
 \end{equation}
 with $\tau \in \mathbb{N}$.
 
-For convolution, the local average $\mathbf{W^n_t}$ of each variable over several rectangular windows of sizes $n$ was added:
+For convolution, the local averages $\mathbf{W^n_t}$ of each variables
+in the interval defined by several windows of sizes $n$ was added:
 \begin{equation}
 \mathbf{{X'}_t} = \{W^{n_1}_t, W^{n_2}_t, ...\}
 \label{eq:window}