DAY 1 OF 100]THURSDAY ,1 JAN 2015

1.Linear Algebra

Unit 8 : 

8.1.1 When LU Factorization with Row Pivoting Fails

Homework 8.1.1.1

8.2.1 Solving Ax = b via Gauss-Jordan Elimination

Homework 8.2.1.1

Homework 8.2.1.2

2.Python

SO article on python decorators.type what you learned

Tkinter

ch7  Protocols

ch8 Application Windows

3.Android Fundamentals  coursera course

8 pomodoros in total 

DAY 100 OF 100]THURSDAY ,25 DEC 2014

tkinter

closest match binding
bind_all for root widget, 
custom attributes for widget

DAY 99 OF 100]TUESDAY ,23 DEC 2014

tkinter

 application level event binding  f1 to print help etc.. normal and special keys

DAY 98 OF 100]MONDAY ,22 DEC 2014

wasted day .. 

DAY 97 OF 100]SUNDAY ,21 DEC 2014

wasted day..  was busy making crib etc

DAY 96 OF 100]SATURDAY ,20 DEC 2014

tkinter

event binding ,replace/add bindings

DAY 95 OF 100]FRIDAY ,19 DEC 2014

tkinter

font.Font and border relief - more  font options

DAY 94 OF 100]THURSDAY ,18 DEC 2014

tkinter

font.Font and border relief

DAY 93 OF 100]WEDNESDAY ,17 DEC 2014

Linear Algebra

configured numpy MKL .. laff pakckage .. 

skeleton of code from spark gen

[DAY 92 OF 100]TUESDAY ,16 DEC 2014

Linear Algebra

 hw7.3.4.6 challenge done ..got the algo .. need to use spark and code the impl

[DAY 91 OF 100]MONDAY ,15 DEC 2014

Linear Algebra

proof hw7.3.4.5

[DAY 90 OF 100]SUNDAY ,14 DEC 2014

Tkinter
color names / rgb spec

[DAY 89 OF 100]SATURDAY ,13 DEC 2014

Python

mixin idea/usage

Tkinter
widget configuration methods

[DAY 88 OF 100]FRIDAY ,12 DEC 2014

Linear Algebra

invert rot hw 7.3.3.11

nvert refl hw 7.3.3.12

7.3.4adv examples -

hw 7.3.4.1

hw 7.3.4.2

hw 7.3.4.3

hw 7.3.4.4

python 

mult inheritance MRO

[DAY 87 OF 100]THURSDAY ,11 DEC 2014

Tkinter

named widgets

[DAY 86 OF 100]WEDNESDAY ,10 DEC 2014

Linear Algebra

Homework 7.3.3.10

[DAY 85 OF 100]TUESDAY ,9 DEC 2014

Linear Algebra

Homework 7.3.3.10

Inverting a 2D rotation

7.3.3_Simple_examples_Part_7

revised inv of gauss/tr ,permutation 
-hw 7.3.3.9

python

tips tricks

TKinter

[DAY 84 OF 100]MONDAY ,8 DEC 2014

Linear Algebra

relation between gaussElim ,LUfact based on inv of gauss tr

Homework 7.3.3.8

Homework 7.3.3.9

Homework 7.3.3.10

7.3.3_Simple_examples_Part_4

7.3.3_Simple_examples_Part_5

7.3.3_Simple_examples_Part_6

Python

numpy record arrays view

use of boolean arrays indexing 

tips and tricks

Tkinter

lundh book ch3 contd

[DAY 83 OF 100] SUNDAY ,7 DEC 2014

Linear Algebra

nothing done today

Python

recordArrays -views

only 1 pomodoro today - wasted day

[DAY 82 OF 100] SATURDAY ,6 DEC 2014

1.Linear Algebra

Homework 7.3.2.2

7.3.3 Simple Examples

Homework 7.3.3.1

Homework 7.3.3.2

Homework 7.3.3.3

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

[DAY 81 OF 100] FRIDAY ,5 DEC 2014

1.Linear Algebra

7.3 Inverse matrix

7.3.2 Back to Linear Transformations

Homework 7.3.2.1

Theorem 7.7

Definition 7.8

Homework 7.3.2.2

7.3.3 Simple Examples

Homework 7.3.3.1

Homework 7.3.3.2

Homework 7.3.3.3

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

[DAY 80 OF 100] THURSDAY ,4 DEC 2014

1.Linear Algebra

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

did upto ch3 of Lundh book

[DAY 79 OF 100] WEDNESDAY ,3 DEC 2014

1.Linear Algebra

7.3 Inverse matrix

revised LU fact+pivot

revised 1D inverse function definition

2 .Python

indexing np.array/matrix

till indexing array/matrix with cross product to get cols 1,3

np.RecordArrays
basic idea and usage

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

6 pomodoros

[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

[DAY 77 OF 100] MONDAY ,1 DEC 2014

1.Linear Algebra
7.2.4 Gaussian Elimination with Row Swapping
Homework 7.2.4.1

Homework 7.2.4.2

need  more work to understand the actual flow. will try with an example and algo notation tomorrow.

5 pomodoros

7.3.2 Back to Linear Transformations

2.python

linear algebra ops

matrix class

upto 
compare_array_matrix_slicing()

indexing matrix and arrays - will try tomorrow

2 pomodoros

3.python TKinter

https://docs.python.org/3.3/library/tk.html

tried hello world

total 8 pomodoros

[DAY 76 OF 100] SUNDAY ,30 NOV 2014

1.Linear Algebra
7.2.4 Gaussian Elimination with Row Swapping
Homework 7.2.4.1

Homework 7.2.4.2

7.3.2 Back to Linear Transformations

reviewed pivot matrix and hw proofs

[DAY 75 OF 100] SATURDAY ,29 NOV 2014

1.Linear Algebra
7.2.4 Gaussian Elimination with Row Swapping
Homework 7.2.4.1

Homework 7.2.4.2

7.3.2 Back to Linear Transformations

nothing done.

Instead reviewd the permutation chapter..

will review pivot matrix and the rest tomorrow

2.Python
ix_() examples of cross product indexing

[DAY 74 OF 100] FRIDAY ,28 NOV 2014

1.Linear Algebra

7.2.3 Permutations

Homework 7.2.3.1

Homework 7.2.3.2

Homework 7.2.3.3

Homework 7.2.3.4

Homework 7.2.3.5

Homework 7.2.3.6

Homework 7.2.3.7

Homework 7.2.3.8

Homework 7.2.3.9

Homework 7.2.3.10

Homework 7.2.3.11

Homework 7.2.3..12

2.Python

ix() function

partial understanding .. need more work

[DAY 73 OF 100] THURSDAY ,27 NOV 2014

1.Linear Algebra

7.2.2 The Problem

Homework 7.2.2.1

Homework 7.2.2.2

2.Python
indexing with boolean arrays contd..

a[b1,b2] 

a[b1,:][:,b2]

ix() function

[DAY 72 OF 100] WEDNESDAY ,26 NOV 2014

1.Linear Algebra

Homework 7.2.12
Homework 7.2.13
Homework 7.2.14
Homework 7.2.15
Homework 7.2.16

7.2.2

The Problem

2.Python
indexing with boolean arrays

ix() function

[DAY 71 OF 100] TUESDAY ,22 NOV 2014

1.Linear Algebra

Homework 7.2.1.4
Homework 7.2.1.5
Homework 7.2.1.6
Homework 7.2.1.7
Homework 7.2.1.8
Homework 7.2.1.9
Homework 7.2.1.10
Homework 7.2.1.11


2.Python
arrays of index as sequences 

[DAY 70 OF 100] MONDAY ,24 NOV 2014

1.Linear Algebra

7.1.1
7.2.1 When Gaussian Elimination Works

Homework 7.2.1.2

Homework 7.2.1.3

2.Python

multidim index array
a[arrayofindex,x]
a[:,arrayof index]

[DAY 69 OF 100]SUNDAY ,23 NOV 2014

1.Linear Algebra

blocked LU cost analysis

2.Python

indexing a multidim array workout mechanism 2d -> 3d

2 indexes on multidim array

[DAY 68 OF 100]SATURDAY ,22 NOV 2014

1.Linear Algebra

blocked LU cost analysis

go tru the paper "Representing Dense Linear Algebra Algorithms: A Farewell to Indices"

instead went thru the section on triangular solves.spent too much time on these .. had to do Ut Xt = Bt by hand to clear the confusion about ~t notation

2.Python

more about multidim matrices, broadcasting

no more expl needed ..instead did array of indices on an array

[DAY 67 OF 100]FRIDAY ,21 NOV 2014

1.Linear Algebra

blocked LU fact -more derrivation

2.Python
fig6 exploration
give sample values,test diff ,work by hand and compare

[DAY 66 OF 100] THURSDAY ,20 NOV 2014

1.Linear Algebra

6.3.5 Cost

Ux = b cost

6.4.1 Blocked LU fact
first look

2.Python 

rev broadcasting VQ problem
fig 6 exploration - idea

SO article on decorators

[DAY 65 OF 100] WEDNESDAY ,19 NOV 2014

1.Linear Algebra

Homework 6.3.4.1 

6.3.5 Cost

LU fact cost
Lz=b /fwd subst cost

2.Python

broadcasting examples -erics doc
 vq problem more  .. explored little more .. 

[DAY 64 OF 100] TUESDAY ,18 NOV 2014

1.Linear Algebra

Homework 6.3.4.1 

6.3.5 Cost

went thru gauss elim,LU factoring,fwd subst,ltrsv,back subst,utr_sv with an input Ax=b
will attempt cost and hw tomorrow

2.Python

broadcasting examples -erics doc
 vq problem descr ,method