update lec5 and 6

11 lat temu · 2cd09c1eb6
--- a/lectures/lec03-04-pmm-20130926-0930.pdf
+++ b/lectures/lec03-04-pmm-20130926-0930.pdf
--- a/lectures/lec05-06-20131010-1012.pdf
+++ b/lectures/lec05-06-20131010-1012.pdf