diff --git a/src/statistical-and-mathematical-methods-for-ai/img/_rank_k_approx.pdf b/src/statistical-and-mathematical-methods-for-ai/img/_rank_k_approx.pdf
new file mode 100644
index 0000000..8bc28e3
Binary files /dev/null and b/src/statistical-and-mathematical-methods-for-ai/img/_rank_k_approx.pdf differ
diff --git a/src/statistical-and-mathematical-methods-for-ai/sections/_matrix_decomp.tex b/src/statistical-and-mathematical-methods-for-ai/sections/_matrix_decomp.tex
index 1b29623..b42288c 100644
--- a/src/statistical-and-mathematical-methods-for-ai/sections/_matrix_decomp.tex
+++ b/src/statistical-and-mathematical-methods-for-ai/sections/_matrix_decomp.tex
@@ -104,7 +104,7 @@ A rank-$k$ approximation requires to store $k(1 + m + n)$ numbers.
 
 \begin{figure}[h]
     \centering
-    \includegraphics[width=0.60\textwidth]{img/rank_k_approx.pdf}
+    \includegraphics[width=0.60\textwidth]{img/_rank_k_approx.pdf}
     \caption{Approximation of an image}
 \end{figure}