Reverse the order of elements in an array:
input X = [ 1 2 3 ;
4 5 6 ;
7 8 9 ]
output Y = [ 9 8 7 ;
6 5 4 ;
3 2 1 ]
Remember not to change the function name
Encode Roman Numerals
Remove the polynomials that have positive real elements of their roots.
Flip the main diagonal of a matrix
Basic arrays operations.
Area of a Square
Find out missing number from a vector of 9 elements
Find the solution of algebraic equation
Accessing elements on the diagonal
Generate pi using logarithm
Identify the heavier bag
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