2 votes

Rotation of a point in 3D space

1st Rotation of 45 degrees about what axis? $$x_{new} = R_x(45)R_y(45)R_z(45) x_{old}$$ describes 3 rotations of 45 degrees in all the fixed axis. In that order ($R_x(45)R_y(45)R_z(45)$), you first ...
2 votes

Is Luenberger observer applicable in practical systems?

I don't understand the question here. It seems like the question boils down to "Kalman filters can be adapted to nonlinear systems, so why use Luenberger observers?" There are plenty of ...
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