I think the answer is wrong...
A = T * [PB; 1];
P = A(1:2, 1);
what is wrong with this solution!
I think this problem is wrong. It should use the homogeneous transformation matrix not its inverse!
The 3rd test here is wrong.
Extract leading non-zero digit
Test for balanced parentheses
Test if a Number is a Palindrome without using any String Operations
First non-zero element in each column
Composing relative poses in 2D: problem 2
Relative points in 2D: problem 3
Invert a 3D rotation matrix
Composing relative poses in 2D: problem 1
Pose interpolation in 2D
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