daviddoji/Kalman-and-Bayesian-Filters-in-Python
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Author SHA1 Message Date
Roger Labbe
0239608ab2 Issue #101. Missing plots in chapter. 2016-06-16 12:35:47 -07:00
Roger Labbe
be073785c9 Revert "Merge pull request #99 from lubkoll/master" 
This reverts commit 4b17de67a9, reversing
changes made to 5559d2e03f.
 2016-05-25 10:48:47 -07:00
Roger Labbe
4b17de67a9 Merge pull request #99 from lubkoll/master 
Fix typos in chapter 08
 2016-05-25 08:39:15 -07:00
Lars Lubkoll
0edeec521e Fix typos in chapter 08 2016-05-25 16:51:05 +02:00
Roger Labbe
5559d2e03f Merge pull request #98 from lubkoll/master 
Fix typos in chapter 04
 2016-05-25 07:13:28 -07:00
Lars Lubkoll
ea9ac2bc49 Fix typos in chapter 04 2016-05-25 15:40:21 +02:00
Roger Labbe
510e720559 I used terms better suited to radars (elevation angle instead 
of bearing, for example).
 2016-05-19 18:39:26 -07:00
Roger Labbe
a79153205b Issue 87. Example was linear. 
I provided  a linear example for what was supposed to be a
nonlinear example.
 2016-05-19 18:37:46 -07:00
Roger Labbe
d89e35bbdf Fixed latex raising ^* 
It works in mathjax, but the pdf convertor cannot handle it. Changing
it to ^{*} works.
 2016-04-23 04:30:03 -07:00
Roger Labbe
dafb047c4c Updated imports to use nondeprecated libraries 2016-04-23 04:29:31 -07:00
Roger Labbe
e34c916de5 Issue #94. Eqn used x instead of \bar x. 
This is in the IMM Estimate section as described in the github issue.
 2016-04-23 03:41:18 -07:00
Roger Labbe
a15fca8d9a Issue #94 Incorrect index in pseudocode 
We are looping over j, but I used i as the index.
 2016-04-23 03:33:32 -07:00
Roger Labbe
69cf5aebce I require that the cholesky return an upper triangular matrix, 
but did not explain this in the text.
 2016-03-26 10:09:51 -07:00
Roger Labbe
8fa2cf615c Regenerated a figure. 2016-03-26 09:38:51 -07:00
Roger Labbe
ba980de88f Typos. github issue #93. 2016-03-26 09:37:37 -07:00
Roger Labbe
57b420f919 Fixed equation for Gaussian mean. 
Used incorrect subscript for variance in the numerator.
 2016-03-26 09:27:43 -07:00
Roger Labbe
f7ee853583 Added example for 1D state vector. 
I got a question about it, so tried to add an example to clarify it.
 2016-03-26 09:16:10 -07:00
Roger Labbe
b492c258d2 Issue #88. 
Misidentified the process matrices as being x, P, when they are
F, Q.
 2016-03-15 17:03:05 -07:00
Roger Labbe
38996b6d24 Merge pull request #90 from Gluttton/master 
Unscented Kalman Filter: using "state sigmas" instead of "prior sigmas" in the cross-covariance equation at the predict step
 2016-03-15 17:00:54 -07:00
Gluttton
ec30b65a47 Using "prior sigmas" instead of "state sigmas" in the cross-covariance equation at the predict step. 2016-03-15 22:00:28 +02:00
Roger Labbe
c32ca48542 Moved legends inside of plot. 
The %matplotlib notebook back end does not account for things being
drown outside of the plot, and they end up getting partially or
fully cut off.
 2016-03-07 07:16:59 -08:00
Roger Labbe
6f1fd2f16f Updated to use absolute imports 
I used to add .\code to the path, which was an absurd hack.
Now all code is imported with import code.foo.
 2016-03-06 12:02:13 -08:00
Roger Labbe
fa62edccc4 Merge pull request #84 from Gluttton/master 
Unscented Kalman Filter: using "state estimate" instead of "mean estimate" in the covariance equation at the predict step
 2016-03-06 09:01:34 -08:00
Roger Labbe
f16b43c3b4 Reran with seaborn installed 
I ran several notebooks after reinstalling anaconda but I hadn't
reinstalled seaborn, so the plots didn't have the right look.
 2016-03-06 08:54:19 -08:00
Roger Labbe
fb21cf6313 Making book work in Python 2.7 2016-03-06 08:18:27 -08:00
Gluttton
35663774d7 Using "state estimate" instead of "mean estimate" in the covariance equation at the predict step. 2016-03-06 12:53:41 +02:00
Roger Labbe
f62fb8bbe8 Reran with tight_layout for interactive plots 
This is just so everything looks nice in nbviewer. I added
plt.tight_layout() to the interactive_plot context manager,
which makes plots fill the output cell better.
 2016-02-28 09:46:06 -08:00
Roger Labbe
2594d8905c Added animated filtering 
Rewrote some of the chapter examples to use animated plots. Makes
it so much easier to see how the filter is performing.
 2016-02-28 08:35:51 -08:00
Roger Labbe
a647f96388 Made plots interactive 2016-02-27 21:40:21 -08:00
Roger Labbe
ef67326af6 Change plots to interactive plots 2016-02-27 20:52:36 -08:00
Roger Labbe
f3358f44d6 Switched to interactive plotting. 2016-02-27 20:04:40 -08:00
Roger Labbe
590af94807 Switching to interactive plots 2016-02-27 18:55:34 -08:00
Roger Labbe
a6c2b0ccc9 Interactive plots with 5matplotlib inlien 
Need to make the plots antimated, but the notebook is essentially
working.
 2016-02-27 17:52:17 -08:00
Roger Labbe
6aea84f6b1 Switched to interactive plots! 
Using %matplotlib notebook to render plots.

I made the g-h filter chapter work. There is a very good chance
I broke the other chapters. Need to push to really find out.
 2016-02-27 17:10:09 -08:00
Roger Labbe
26cf805dc3 Explained std vs var in N(mu, var) formulation. 
Some book use std, I use variance.
 2016-02-18 08:50:12 -08:00
Roger Labbe
741d785e03 Explained biased vs unbiased estimators. 
I had glossed over this difference, and so it would be confusing
to understand why my equations for VAR and COV are incorrect for
samples. I distinguished between the two and gave the correct
computations for each.
 2016-02-18 08:35:12 -08:00
Roger Labbe
b15968e5b1 Touched upon conditioning of variables. 
Pointed out that height of students probably has two means if the
population includes males and females. Did not go into Gaussian
mixtures or conditioning of the data.
 2016-02-06 15:03:53 -08:00
Roger Labbe
5587dd0fda Completed IMM description 
The text for the IMM filter was incomplete, and wrong in a few
places.
 2016-02-06 15:03:19 -08:00
Roger Labbe
f6c83812a1 Github Issue #80 Invalid use of kappa 
I used kappa in a couple of places for the square root, when I should
have been using lambda.
 2016-02-05 07:51:43 -08:00
Roger Labbe
f64aec3693 Copy editing. 
`
 2016-01-31 20:13:06 -08:00
Roger Labbe
1610678354 Worked on the IMM section. 
It is more complete, but not finished.
 2016-01-31 20:12:29 -08:00
Roger Labbe
57dda86f18 Copy editing. 2016-01-30 08:29:22 -08:00
Roger Labbe
ac2c27119b Adde binder badge at top of readme 
So user can know about the online version without having to wade
through a lot of introductory text.
 2016-01-30 07:58:04 -08:00
Roger Labbe
230539a3fd Fixed underlining of \emph in PDF. 
Thought I had this fixed, not sure why it came back. Had to add
\normalem to template file to force \emph to be italics, which is
the default. Not sure why it has been doing underlining recently.
 2016-01-28 17:48:42 -08:00
Roger Labbe
15ad94a5b3 Merge branch 'master' of https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python 2016-01-27 21:21:54 -08:00
Roger Labbe
e5fa61bbc5 Added links to source material. 
Linked (mostly to Wikipedia) to web material for terms that are
newly defined.
 2016-01-27 21:19:16 -08:00
Roger Labbe
9ae110077d Merge pull request #77 from Gluttton/master 
Trying to fix broken layout.
 2016-01-26 12:08:07 -08:00
Gluttton
0bece0a770 Trying to fix broken layout. 2016-01-26 21:46:44 +02:00
Roger Labbe
aae7bbb368 Copy edits. 2016-01-24 18:52:31 -08:00
Roger Labbe
53b058bbda Copy edit of math chapter. 
I moved the conversion of the multivariate equations to univariate
equations to the supporting textbook. It's not terribly necessary,
especially since I converted the univariate equations to look like
the multivariate ones.
 2016-01-24 15:34:57 -08:00