The problem description and title have been updated.
After I submited my solution, return the message "While evaluating the solution, the server encountered an error caused by temporary unavailability of MATLAB Service. Wait a few minutes for the MATLAB Service to return, and then rescore.".
I have tried many times!!!
Remove NaN ?
Solve the set of simultaneous linear equations
construct matrix with identical rows
Back to basics - mean of corner elements of a matrix
create a square matrix
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