--- a/matrices/script.rst Tue Nov 09 01:28:00 2010 +0530
+++ b/matrices/script.rst Tue Nov 09 01:31:55 2010 +0530
@@ -30,6 +30,7 @@
External Reviewer :
Checklist OK? : <put date stamp here, if OK> [2010-10-05]
+.. #[punch: please mark the exercises, using the syntax we decided upon.]
========
Matrices
@@ -41,9 +42,10 @@
{{{ switch to next slide, outline slide }}}
In this tutorial we will learn about matrices, creating matrices using
-direct data, by converting a list, matrix operations. Finding inverse
-of a matrix, determinant of a matrix, eigen values and eigen vectors
-of a matrix, norm and singular value decomposition of matrices.
+direct data, by converting a list and matrix operations. Finding
+inverse of a matrix, determinant of a matrix, eigen values and eigen
+vectors of a matrix, norm and singular value decomposition of
+matrices.
{{{ creating a matrix }}}
@@ -158,6 +160,8 @@
{{{ switch to next slide, Frobenius norm of inverse of matrix }}}
+.. #[punch: arange has not been introduced.]
+
Now let us try to find out the Frobenius norm of inverse of a 4 by 4
matrix, the matrix being,
::
@@ -177,6 +181,11 @@
im5 = inv(m5)
+.. #[punch: we don't need to show this way of calculating the norm, do
+.. we? even if we do, we should show it in the "array style".
+.. something like:
+.. sqrt(sum(each * each))]
+
And the Frobenius norm of the matrix ``im5`` can be found out as,
::
@@ -186,12 +195,14 @@
print sqrt(sum)
{{{ switch to next slide, infinity norm }}}
+.. #[punch: similarly for this section.]
Now try to find out the infinity norm of the matrix im5. The infinity
norm of a matrix is defined as the maximum value of sum of the
absolute of elements in each row. Pause here and try to solve the
problem yourself.
+
The solution for the problem is,
::
@@ -242,6 +253,9 @@
eig(m5)
+
+.. #[punch: has the tuple word been introduced?]
+
Note that it returned a tuple of two matrices. The first element in
the tuple are the eigen values and the second element in the tuple are
the eigen vectors. Thus the eigen values are,
@@ -300,5 +314,5 @@
mode: rst
indent-tabs-mode: nil
sentence-end-double-space: nil
- fill-column: 75
+ fill-column: 70
End:
--- a/progress.org Tue Nov 09 01:28:00 2010 +0530
+++ b/progress.org Tue Nov 09 01:31:55 2010 +0530
@@ -1,56 +1,56 @@
-| S.No | Name | Units | Author | Review | Checklist |
-|---------+----------------------------------------+-------+----------+-------------------------------------+-----------|
-| 1.2 LO: | getting started with =ipython= | 2 | Punch | Anoop(Done) | |
-| 1.3 LO: | using the =plot= command interactively | 2 | Amit | Pending | |
-| 1.4 LO: | embellishing a plot | 2 | Nishanth | Anoop (Done) | |
-| 1.5 LO: | saving plots | 2 | Anoop | Punch (Done) | |
-| 1.6 LO: | multiple plots | 3 | Madhu | Nishanth (Done) | |
-| 1.7 LO: | additional features of IPython | 2 | Nishanth | Amit (Pending) | |
-| 1.8 LO: | module level assessment | 3 | Madhu | | |
-|---------+----------------------------------------+-------+----------+-------------------------------------+-----------|
-| 2.2 LO: | loading data from files | 3 | Punch | Nishanth (Done) | |
-| 2.3 LO: | plotting the data | 3 | Amit | Pending | |
-| 2.4 LO: | other types of plots | 3 | Anoop | Punch (Done) | |
-| 2.5 LO: | module level assessment | 3 | Nishanth | | |
-|---------+----------------------------------------+-------+----------+-------------------------------------+-----------|
-| 3.1 LO: | getting started with lists | 2 | Amit | Pending | |
-| 3.2 LO: | getting started with =for= | 2 | Anoop | Nishanth (Done) | |
-| 3.3 LO: | getting started with strings | 2 | Madhu | | |
-| 3.4 LO: | getting started with files | 3 | Punch | Anoop(Done) | |
-| 3.5 LO: | parsing data | 3 | Nishanth | Amit (Done) | |
-| 3.6 LO: | statistics | 2 | Amit | Punch (Done) | |
-| 3.7 LO: | module level assessment | 3 | Madhu | | |
-|---------+----------------------------------------+-------+----------+-------------------------------------+-----------|
-| 4.1 LO: | getting started with arrays | 2 | Anoop | Punch (Done) | |
-| 4.2 LO: | accessing parts of arrays | 4 | Punch | Anoop (Done) | |
-| 4.3 LO: | Matrices | 3 | Anoop | Punch (changes made, please review) | |
-| 4.4 LO: | Least square fit | 2 | Nishanth | Punch (Done) | |
-| 4.5 LO: | Assessment | 3 | Punch | | |
-|---------+----------------------------------------+-------+----------+-------------------------------------+-----------|
-| 5.1 LO: | getting started with sage notebook | 3 | Madhu | | |
-| 5.2 LO: | getting started with symbolics | 3 | Amit | Pending | |
-| 5.3 LO: | using Sage | 4 | Punch | Anoop (Done) | |
-| 5.4 LO: | using sage to teach | 3 | Nishanth | | |
-| 5.5 LO: | Assessment | 3 | Anoop | | |
-|---------+----------------------------------------+-------+----------+-------------------------------------+-----------|
-| 6.1 LO: | basic datatypes & operators | 4 | Amit | Punch (Done) | |
-| 6.2 LO: | I/O | 1 | Nishanth | | |
-| 6.3 LO: | conditionals | 2 | Madhu | | |
-| 6.4 LO: | loops | 2 | Punch | Anoop (Done) | |
-| 6.5 LO: | Assessment | 3 | Anoop | | |
-|---------+----------------------------------------+-------+----------+-------------------------------------+-----------|
-| 7.1 LO: | manipulating lists | 3 | Madhu | | |
-| 7.2 LO: | manipulating strings | 2 | Punch | Amit(Done) | |
-| 7.3 LO: | getting started with tuples | 2 | Nishanth | | |
-| 7.4 LO: | dictionaries | 2 | Anoop | Punch (Done) | |
-| 7.5 LO: | sets | 2 | Nishanth | | |
-| 7.6 LO: | Assessment | 3 | Amit | | |
-|---------+----------------------------------------+-------+----------+-------------------------------------+-----------|
-| 8.1 LO: | getting started with functions | 3 | Nishanth | | |
-| 8.2 LO: | advanced features of functions | 3 | Punch | Anoop (Done) | |
-| 8.3 LO: | using python modules | 3 | Anoop | Punch (Done) | |
-| 8.4 LO: | writing python scripts | 2 | Nishanth | | |
-| 8.5 LO: | testing and debugging | 2 | Amit | | |
-| 8.6 LO: | Assessment | 3 | Madhu | | |
-|---------+----------------------------------------+-------+----------+-------------------------------------+-----------|
+| S.No | Name | Units | Author | Review | Checklist |
+|---------+----------------------------------------+-------+----------+-----------------+-----------|
+| 1.2 LO: | getting started with =ipython= | 2 | Punch | Anoop(Done) | |
+| 1.3 LO: | using the =plot= command interactively | 2 | Amit | Pending | |
+| 1.4 LO: | embellishing a plot | 2 | Nishanth | Anoop (Done) | |
+| 1.5 LO: | saving plots | 2 | Anoop | Punch (Done) | |
+| 1.6 LO: | multiple plots | 3 | Madhu | Nishanth (Done) | |
+| 1.7 LO: | additional features of IPython | 2 | Nishanth | Amit (Pending) | |
+| 1.8 LO: | module level assessment | 3 | Madhu | | |
+|---------+----------------------------------------+-------+----------+-----------------+-----------|
+| 2.2 LO: | loading data from files | 3 | Punch | Nishanth (Done) | |
+| 2.3 LO: | plotting the data | 3 | Amit | Pending | |
+| 2.4 LO: | other types of plots | 3 | Anoop | Punch (Done) | |
+| 2.5 LO: | module level assessment | 3 | Nishanth | | |
+|---------+----------------------------------------+-------+----------+-----------------+-----------|
+| 3.1 LO: | getting started with lists | 2 | Amit | Pending | |
+| 3.2 LO: | getting started with =for= | 2 | Anoop | Nishanth (Done) | |
+| 3.3 LO: | getting started with strings | 2 | Madhu | | |
+| 3.4 LO: | getting started with files | 3 | Punch | Anoop(Done) | |
+| 3.5 LO: | parsing data | 3 | Nishanth | Amit (Done) | |
+| 3.6 LO: | statistics | 2 | Amit | Punch (Done) | |
+| 3.7 LO: | module level assessment | 3 | Madhu | | |
+|---------+----------------------------------------+-------+----------+-----------------+-----------|
+| 4.1 LO: | getting started with arrays | 2 | Anoop | Punch (Done) | |
+| 4.2 LO: | accessing parts of arrays | 4 | Punch | Anoop (Done) | |
+| 4.3 LO: | Matrices | 3 | Anoop | Punch (Done) | |
+| 4.4 LO: | Least square fit | 2 | Nishanth | Punch (Done) | |
+| 4.5 LO: | Assessment | 3 | Punch | | |
+|---------+----------------------------------------+-------+----------+-----------------+-----------|
+| 5.1 LO: | getting started with sage notebook | 3 | Madhu | | |
+| 5.2 LO: | getting started with symbolics | 3 | Amit | Pending | |
+| 5.3 LO: | using Sage | 4 | Punch | Anoop (Done) | |
+| 5.4 LO: | using sage to teach | 3 | Nishanth | | |
+| 5.5 LO: | Assessment | 3 | Anoop | | |
+|---------+----------------------------------------+-------+----------+-----------------+-----------|
+| 6.1 LO: | basic datatypes & operators | 4 | Amit | Punch (Done) | |
+| 6.2 LO: | I/O | 1 | Nishanth | | |
+| 6.3 LO: | conditionals | 2 | Madhu | | |
+| 6.4 LO: | loops | 2 | Punch | Anoop (Done) | |
+| 6.5 LO: | Assessment | 3 | Anoop | | |
+|---------+----------------------------------------+-------+----------+-----------------+-----------|
+| 7.1 LO: | manipulating lists | 3 | Madhu | | |
+| 7.2 LO: | manipulating strings | 2 | Punch | Amit(Done) | |
+| 7.3 LO: | getting started with tuples | 2 | Nishanth | | |
+| 7.4 LO: | dictionaries | 2 | Anoop | Punch (Done) | |
+| 7.5 LO: | sets | 2 | Nishanth | | |
+| 7.6 LO: | Assessment | 3 | Amit | | |
+|---------+----------------------------------------+-------+----------+-----------------+-----------|
+| 8.1 LO: | getting started with functions | 3 | Nishanth | | |
+| 8.2 LO: | advanced features of functions | 3 | Punch | Anoop (Done) | |
+| 8.3 LO: | using python modules | 3 | Anoop | Punch (Done) | |
+| 8.4 LO: | writing python scripts | 2 | Nishanth | | |
+| 8.5 LO: | testing and debugging | 2 | Amit | | |
+| 8.6 LO: | Assessment | 3 | Madhu | | |
+|---------+----------------------------------------+-------+----------+-----------------+-----------|