diff --git a/.gitignore b/.gitignore
index 262a612..e187b6b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,8 +4,10 @@
 *.out
 *.snm
 *.toc
+*.mat
 .#*
 #*#
 *.~
 *.*~
+*.zip
 programming/lectures/*.pdf