daviddoji/Kalman-and-Bayesian-Filters-in-Python
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Author SHA1 Message Date
Peter LeVasseur
f942a8abfc Fixed text describing Gaussian prediction calculation, in particular changed to use sigma, instead of mu when describing the variance update. 2017-07-20 11:02:26 -04:00
Peter Schneider
cd7f3605ae Fixed estimates that were not tracking under 'Control Inputs'. Measurements were generated under assumption of dt=1, but were updating states from model using dt=0.1. 2017-07-20 03:01:56 -07:00
Peter Schneider
749e17d6e8 Fix typo: 'computes' 2017-07-20 01:48:34 -07:00
Roger Labbe
1c11186fa4 Bug in train_filter 
Called normalize(belief), when it should have been normalize(prior).
belief is a variable from another cell, and not used in this function.

Reported by by Shakti Gehlaut.
 2017-07-15 12:08:47 -07:00
Roger Labbe
ac1eb9d7fc Updated second binder link 
I altered the one at the top in the previous commit but not the one embedded deeper in the file.
 2017-07-03 13:57:34 -07:00
Roger Labbe
f137b27646 Updated binder badge again 
This one follows instructions that I got in gitter from Yuvi Panda
 2017-07-03 13:53:21 -07:00
Roger Labbe
b2a2b42a05 Altered binder badge 
Binder has changed it's link and host
 2017-07-03 13:45:24 -07:00
Roger Labbe
7c5aa45019 Weights should be reset to 1/N after resampling. 2017-07-03 13:07:28 -07:00
Roger Labbe
ba61f3a96c Merge branch 'master' of https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python 2017-07-03 12:59:43 -07:00
Roger Labbe
edb9b4f306 Text used sigma_ps when talking about the wheel. 2017-07-03 12:58:12 -07:00
Roger Labbe
1002744510 Merge pull request #158 from sleepingAgain/patch-1 
Fixed typo in Chapter 7
 2017-06-21 08:01:42 -07:00
sleepingAgain
e39295caf5 Fixed typo in Chapter 7 
Changed stoochastic to stochastic.
 2017-06-20 13:09:40 +01:00
Roger Labbe
d15845bde8 I reversed the explanation of product/sum for Gaussians, saying the 
sum is proportional and the product is Normal. Of course the reverse
is true.
 2017-06-12 09:35:55 -07:00
Roger Labbe
529585a4c8 Issue #144 - update variable est/prediction names 
I erroneously named the prediction of x x_est, which is confusing at best.

There were also issues with plotsize. The %matplotlib notebook magic
is resetting the size of the plots. Not sure if this has something to do
with some of my plotting code or not. Anyway, I wrote a context manager
to reset the plot size after exiting interactive mode.
 2017-06-12 09:30:27 -07:00
Roger Labbe
000122a3ab Merge pull request #155 from jeffrimko/master 
Minor typo fixes.
 2017-06-12 08:17:54 -07:00
Roger Labbe
0a66218980 Merge pull request #153 from senden9/patch-2 
Fix formation in heading in README.md
 2017-06-12 08:16:06 -07:00
Roger Labbe
7fda1ccd01 Merge pull request #150 from dschuler/master 
Add 'Estimates' to legend

I added a comment header to the plotting routine, and renamed `retval` to `lines` (I prefer meaningful names whenever possible.
 2017-06-12 08:15:43 -07:00
Roger Labbe
e16af3c383 Create book_plots.py 2017-06-12 08:14:39 -07:00
Roger Labbe
e6f91acf79 Merge pull request #149 from alexwal/patch-1 
Fixed continuous Bayes' Rule formula
 2017-06-12 08:05:54 -07:00
unknown
e0d9ee3fcf Minor typo fixes. 2017-06-08 23:01:47 -04:00
Stefano Probst
76104f80aa Fix formation in heading in README.md 
Now the title of this file is rendered correctly.
 2017-05-29 17:24:07 +02:00
Daniel Schuler
df78983576 Add 'Estimates' to legend 2017-05-23 18:25:52 -07:00
Alex Walczak
e5287185b3 Fixed continuous Bayes' Rule formula 2017-05-11 17:22:21 -07:00
Roger Labbe
04f8235c43 I was multiply the noise generated by randn() by dt, which makes 
no sense.
 2017-05-11 13:27:05 -07:00
Roger Labbe
d2f247da20 I dropped two square terms in the derivation for the sum of 
Gaussians; the remaining math was correct.
 2017-05-11 13:24:35 -07:00
Roger Labbe
99193f7e26 this was just in text, but I used self.W[i], and it should have been 
self.Wc[i].
 2017-05-11 13:20:37 -07:00
Roger Labbe
e82f2184d8 Merge pull request #136 from asmwarrior/patch-1 
Update 03-Gaussians.ipynb
 2017-05-11 13:18:26 -07:00
Roger Labbe
5a0e84f5fc Merge pull request #142 from horaceheaven/horaceheaven-patch 
Fix readme typo
 2017-05-11 13:18:00 -07:00
Roger Labbe
171b8649c2 Merge pull request #143 from horaceheaven/patch-1 
Fix: 'to' missing from sentence
 2017-05-11 13:16:32 -07:00
Roger Labbe
3d288d60d6 The base python installation has a file code.py; this causes 
problems when trying to import files from the code subdirectory.

I also tried to rearange some code so that book_format does not need
to be imported if you are not running in a Jupyter Notebook.
 2017-05-11 13:13:17 -07:00
Horace Heaven
94c5d9b349 Fix: 'to' missing from sentence 2017-03-30 22:01:12 -04:00
Horace Heaven
2eca453579 Fix readme typo 2017-03-30 21:18:01 -04:00
asmwarrior
a6fb5c15dd Update 03-Gaussians.ipynb 
Fix a typo. "is is" should be "it is".
 2017-02-05 08:31:07 +08:00
Roger Labbe
3639394a12 Slight rewording for clarity. 2017-01-18 12:24:57 -08:00
Roger Labbe
c97186c8b4 Fixed PDF generation re %matplotlib magic 
Fixed the scripts that comment out the matplotlib magic.
It was commenting out all of the magics - the first one, and
ones in markdown cells. It should only comment out the ones
in code cells, and leave the first one.
 2017-01-18 12:23:06 -08:00
Roger Labbe
91e9e08377 Removed #reset from magic 
I was using comment to detect which %matplotlib inline to comment
out to generate the PDF but it generates a UsageError. I need to make
my script smarter instead. The problem is that I don't want to remove
the first inline definition
 2017-01-18 10:59:43 -08:00
Roger Labbe
f0e78c7037 Merge branch 'master' of https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python 2017-01-18 09:21:43 -08:00
Roger Labbe
6bafbd490e I switched the weight gain guess back to 1 (the corrct value - of 
course the filter would find the right answer. Leaving at -1 shows
that the filter works well even when the initial estimate is incorrect.
 2017-01-18 09:20:15 -08:00
Roger Labbe
ebb8bceeab Add SpaceX reference to readme 2017-01-16 08:33:18 -08:00
Roger Labbe
6dc3dbaef9 Text had ```Python (capitalized), which renders fine in the local 
notebook, nbviewer, and elsewhere, but not on github for some reason.
 2017-01-14 15:11:32 -08:00
Roger Labbe
8463014958 Disable interactive plots for PDF. 
nbconvert cannot output interactive plots to PDF. I wrote code
to remove all of the %matplotlib notebook magic, rerun the notebooks,
and then create the PDF.
 2017-01-14 13:15:24 -08:00
Roger Labbe
e2405b23d5 Merge branch 'master' of https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python 2017-01-14 09:05:11 -08:00
Roger Labbe
fbd2655dc3 Typo fix. 2017-01-14 09:05:00 -08:00
Roger Labbe
b161c6d35c Merge pull request #130 from senden9/patch-1 
Fix typo in README.md
 2017-01-14 09:03:52 -08:00
Roger Labbe
c3c5616eac Merge pull request #129 from marcae777/master 
Fixed formula in Kalman Filter Math
 2017-01-14 09:03:35 -08:00
Roger Labbe
9c8b113259 Merge pull request #128 from MattHeard/master 
Correct minor typo
 2017-01-14 09:02:21 -08:00
Roger Labbe
e4b05feabf Merge pull request #126 from sauravrt/master 
Chapter 7 Fix LTI system theory equation for phi(t)
 2017-01-14 09:01:38 -08:00
Stefano Probst
345e2e46ef Fix typo in README.md 
Fix typo in README.md. jupter -> jupyter
 2017-01-14 14:41:40 +01:00
marcae777
bfeeab05f7 Fixed formula in Kalman Filter Math 2017-01-13 00:27:13 -05:00
Matt Heard
59ea48d4d9 Fix minor typos 2017-01-02 12:30:48 +13:00