Given a string, remove all the letters which in ASCII Code are prime numbers.
s1 = 'Determine which array elements are prime'
s2 = 'Dtrin which rry lnts r pri'
Additional test cases have been added.
Summing Digits within Text
"Low : High - Low : High - Turn around " -- Create a subindices vector
Basics: 'Find the eigenvalues of given matrix
Create a two dimensional zero matrix
Back to Basics - New Data Type in R2016b - convert a char to a string
Adding Cells with numbers defined as strings
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