DAY 16 OF 100] FRIDAY ,16 JAN 2015

1.Linear Algebra

SPD - choelsky  factorization impl
need more work here.. 
tried LU fact/and solves 
similar on SPD failed when cholesky was attempted

2.Python

SO article    -- manual and by syntax deco with arbit/args

3.Tkinter

ch10/simple dialog - modified version  transient and grab_set