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.
Determine whether a vector is monotonically increasing
Distance walked 1D
Min of a Matrix
multiply by three
Find the Sum of the Series:
Find the sum of the negative elements under the main diagonal.
Check if a string starts with another string
Return the amount of palindromes (words) in the string.
Calculate the eigenvalues of A.
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