rapport : improving notation

rapport/chapter3-structure-detection.tex

@@ -3,7 +3,8 @@
 \section{Definition of a collection}
 \label{sec:definition-of-a-collection}
 
-We define a collection of bipartite networks as $\bm{X} = (X^1, \dots, X^M)$
+We define a collection of bipartite networks as
+$\bm{X} = (X^1,\dots X^m,\dots, X^M)$
 the collection of incidence matrix. Moreover, all the networks in the
 collection have the same type of interaction (e.g., all interactions are
 binary).