[DAY 78 OF 100] TUESDAY ,2 DEC 2014

1.Linear Algebra
7.2.4 Gaussian Elimination with Row Swapping example+algo

7.3 Inverse matrix

2 .Python

indexing np.array/matrix

np.RecordArrays

3.Tkinter 
https://docs.python.org/3/library/tkinter.html
https://docs.python.org/3.3/library/tk.html