daviddoji/Kalman-and-Bayesian-Filters-in-Python
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Author SHA1 Message Date
Roger Labbe
a6cba51c0b Merge pull request #110 from Qx5/patch-1 
Missing transpose in text
 2016-08-27 08:01:35 -07:00
Roger Labbe
4328c397d4 Merge pull request #109 from esvhd/nb4-fix 
Added missing closing bracket.
 2016-08-27 07:59:15 -07:00
Roger Labbe
489084aa8f Merge pull request #102 from plusk01/lesson01_fixes 
Lesson 01 Content Fixes
 2016-08-27 07:58:35 -07:00
David Watson
c59f2fc8ce Remove unintended changes. 2016-08-26 20:04:54 -04:00
David Watson
8fc75d71a4 Change to predict position based on posterior. 
This fixes train_filter() to find the most likely position from the new
estimated state rather than the previous state.
 2016-08-26 19:55:06 -04:00
Qx5
c0ea067344 Missing transpose in text 
python code does apply transpose as is correct in RTS
 2016-08-24 11:19:52 +02:00
esvhd
eedf15ed3d Added missing closing bracket. 2016-08-20 00:07:59 +01:00
Roger Labbe
45cf59df72 Deleted reference to 6x9 version 2016-07-07 21:14:03 -07:00
Roger Labbe
5017434494 Updated link to PDF 2016-07-07 21:12:32 -07:00
Roger Labbe
6986b66f87 Merge pull request #104 from asfaltboy/patch-1 
Simple grammar correction from context
 2016-07-07 19:33:43 -07:00
Pavel Savchenko
16784730b9 Simple grammar correction from context 
I do with computer vision -> I work on computer vision

The author may have also meant "I can do this with computer vision"
 2016-07-07 13:36:57 +02:00
Parker Lusk
086c76431f made gh_estimate3 consistent with text 
wording change, data is below chart

added a colon

added a hyphen to list-like
 2016-06-28 16:52:50 -06:00
Roger Labbe
4669507d7a Fixed computation of epoch 
Section changed the time delta from 2 seconds to 1, but did not
note that in the text.
 2016-06-25 15:40:53 -07:00
Roger Labbe
5fcdf5af47 Minto typos. 
Courtesy of email from James Kim.
 2016-06-22 19:53:33 -07:00
Roger Labbe
b370e9a9a4 Typo fix. 
lubkoll offered a commit, but I got a conflict and it was easier to
make the change myself.
 2016-06-16 12:38:08 -07:00
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