Given an SE(3) matrix representing a rigid-body motion, compute its inverse without using inv() or pinv() .
Swap the first and last columns
Find relatively common elements in matrix rows
Replicate elements in vectors
Find the complement of a number in binary
Twists in 2D
Relative pose in 2D: problem 1
Homogeneous lines and points in 2D: problem 1
Relative pose in 2D: problem 2
Composing relative poses in 2D: problem 1
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