Please, don't use cos, tan, cot matlab functions.
As per Solution 1043996, need to ban a couple of other functions to enforce instruction.
This is wrong. For example, x = 3*pi/4, cot(x) = -1; but this solution gives sqrt(1-sin(x)^2)/sin(x) = 1.
Set the array elements whose value is 13 to 0
Is it a number?
03 - Matrix Variables 3
Sum of cubes
Return the length of the longest word in the string.
Find Adjacency Matrix
Return ! if array element starts with a certain letter. Otherwise return ?
Calculate the eigenvalues of A.
Return the amount of palindromes (words) in the string.
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