add Lab8_Notes.ipynb
fixed typos in HW4.ipynb
adding Lecture13-Matrix-Alebra.ipyb
adding Lecture14-Bayesian-Statistics.ipynb from 2014-10-16
updated Lecture13-Matrix-Algebra.ipynb with Antonias edits
updated headers
fixed typos in Problem 3(a) and 3(b)
fixed 20M salary in HW3-solutions.ipynb
added HW3-solutions.ipynb
update due date
Merge remote-tracking branch 'upstream/master'