Return the number of days in a given month in 2017. If the input is not a valid month number, return -1.
Input: m = 1
Outpu: d = 31
Input: m = 2
Output: d = 28
Input: m = 13
Output: d = -1
You cannot use IF statements
05 - Vector Equations 3
Append two matrix as shown below example
Check that number is whole number
Times 3 problem
Calculate square and cube of number
Sum of Two Numbers
Triangle of numbers
Separate even from odd numbers in a vector - with a loop
How many Integers?
Approximate the cosine function
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