diff --git a/autodiff/AutoDifferentiation.pdf b/autodiff/AutoDifferentiation.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5fa417453ba937a173cb15ee8ee948dc42bf7516
Binary files /dev/null and b/autodiff/AutoDifferentiation.pdf differ
diff --git a/sup_lrn/SupervisedLearning.pdf b/sup_lrn/SupervisedLearning.pdf
index 6375598a00354b7989dbe9b7aed10eb558a1995c..25f80b59c02cdc3b338c793762251a61f1fea7b3 100644
Binary files a/sup_lrn/SupervisedLearning.pdf and b/sup_lrn/SupervisedLearning.pdf differ