Write a function that returns a function that counts the number of times it is invoked. Example:
>> h = counter;
Note: your solution cannot use persistent variables.
solution which does not use any nested function ;)
Make the vector [1 2 3 4 5 6 7 8 9 10]
Swap the first and last columns
Check if sorted
Back to basics 14 - Keywords
Multiply a column by a row
Function composition - harder
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