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10h
answered why should add one column using Moore-Penrose pseudoinverse
15h
accepted Numerical integration of function where the input data is not sampled uniformly in time
1d
awarded  Curious
1d
accepted What does the subspace of SO(3) corresponding to zero yaw look like
1d
comment What does the subspace of SO(3) corresponding to zero yaw look like
Ah I see now. Thank you. I used your method to look at the what the Quaternions look like in terms of Euler angles (shown here en.wikipedia.org/wiki/…), and it looks like for the yaw equals zero case, I can write one of the elements as a function of the others, for example q1=q3*q2/(-q4). I don't know if this is significant but I will keep looking.
1d
comment What does the subspace of SO(3) corresponding to zero yaw look like
Hi Joriki. Thanks for answering my question. I understand that the 1-2cos(theta) term comes from the trace of the general rotation matrix, but where does the second equation come from?
2d
asked What does the subspace of SO(3) corresponding to zero yaw look like
Jul
13
answered How to treat non-identifiable states in Kalman filtering/dynamic linear models?
Jul
13
revised Derive State Transition Matrix from an unscented transformation
deleted 93 characters in body
Jul
13
answered Derive State Transition Matrix from an unscented transformation
Jul
10
comment Derive State Transition Matrix from an unscented transformation
By state transition matrix, do you mean the Jacobian calculated from the nonlinear model of the system whose states you are trying to estimate?
Jun
30
comment kalman filter matrices
You need to be more specific about what you want to do with the light sensors? Do you want to smooth them out? Do you want to estimate range?
Jun
30
answered How does Kalman Filter provide information regarding the accuracy of the current estimate?
Jun
24
awarded  Commentator
Jun
24
comment Rain forecast model and least squares
Can you post a picture showing the linear fit you tried on the data?
Apr
1
awarded  Popular Question
Jan
24
awarded  Yearling
Jan
24
revised Discrete Kalman Filter
deleted 12 characters in body
Jan
24
revised Discrete Kalman Filter
added 139 characters in body
Jan
24
answered Discrete Kalman Filter