What is the purpose of problem like this?
Find the sum of all the numbers of the input vector
Find the sum of the elements in the "second" diagonal
Back to basics 1 - Saving
find the roots of a quadratic equation
Check that number is whole number
Speed of car
calculate the tangent of angle in radians
Determine if a row vector has NaN
factorial of a number x
Calculate the logarithm of number
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