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.
Flip the main diagonal of a matrix
Convert a vector into a number
Maximum value in a matrix
Determine point is located in a circle or not
Find matrix of indices for multidimensional matrix.
Calculate the eigenvalues of A.
Find the sum of the negative elements under the main diagonal.
Find the product of the positive elements above the main diagonal.
Find Adjacency Matrix
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