Sum the same indexed (unique) rows. Examine the test suite.
Related Challenge - Problem 2172. Delete the rows in the middle
The Hitchhiker's Guide to MATLAB
Find perfect placement of non-rotating dominoes (easier)
Reverse a matrix
Is there a GPU Device?
Hexagonal numbers on a spiral matrix
Go back n times
Fill the matrix - 1
Net Present Value of a Stream of Cash Flows
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