Count the number of letters in a given string. For Example:
STR='The MAtlAb code'; output:T 2
Note:Change the given string into UPPER case letters. then calculate.
Find the palindrome
Set the array elements whose value is 13 to 0
Return 'on' or 'off'
Make a vector of prime numbers
Switch matrix to a column vector
COUNT VOWEL 2
factor to number
Diagonal & Anti-Diagonal Matrix: Easy
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