The if statement did not work for x =1.
Their is a function for this already.
I guess this exercise is about learning that this function exists.
Check to see if a Sudoku Puzzle is Solved
Set some matrix elements to zero
Replace multiples of 5 with NaN
find the maximum element of the matrix
Back to basics 7 - Equal NaNs
Back to basics 12 - Input Arguments
Back to basics 15 - Benchmark
Convert Hard Drive marketing sizes to actual data sizes
Better bullseye matrix
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