Add only the positive numbers of x
x = [-2 -1 0 1 2 3]
the positive numbers are: 1 2 3, so their sum is 6
give nth decimal place of pi
Deleting an element in a matrix
Matlab Basics - Rounding I
Matlab Basics II - Count rows in a matrix
All odd - all even
Second smallest number
How many complete pizzas (number 2)
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