Results 2 issues of Yong

according to my understanding, not quite understand the implementation of the Kalman: (1) ... z_k_pre = z_k.copy() ... //# Update state vector x_k x_k += np.array( K_k.dot(z_k-z_k_pre) ).ravel() here z_k...

Hi @erikgrinaker, Thank you for open source this great project. I would like to say this is the best resource to learn database principles. Meanwhile, the code quality is awesome,...