Create a cell array of strings containing the first n natural numbers. Slightly harder than it seems like it should be.
>> y = naturalnumbers(4)
'1' '2' '3' '4'
Find all elements less than 0 or greater than 10 and replace them with NaN
Make one big string out of two smaller strings
Determine Whether an array is empty
Are all the three given point in the same line?
Split a string into chunks of specified length
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