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.
Distance walked 1D
Specific Element Count
middleAsColumn: Return all but first and last element as a column vector
Remove the positive integers.
Find the product of a Vector
Check if a string starts with another string
Solve the system of equations.
Calculate the eigenvalues of A.
Find the sum of the negative elements under the main diagonal.
Find Adjacency Matrix
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