Short explanation of a Python implementation of a Kalman Filter for a constant acceleration model.

Situation covered: You have an acceleration sensor (in 2D: x¨ and y¨) and try to calculate velocity (x˙ and y˙) as well as position (x and y) of a person holding a smartphone in his/her hand.

IPython Notebook: nbviewer.ipython.org/github/balzer82/Kalman/blob/master/Kalman-Filter-CA.ipynb?create=1

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