Create an anti-identity matrix of given dimension.
n = 2
A = [0 1; 1 0]
n = 3
A = [0 0 1; 0 1 0; 1 0 0]
Implement a ROT13 cipher
Remove the two elements next to NaN value
Create an index-powered vector
Hard limit function
Find out characteristics equation of given matrix.
Change the first and last diagonal element of the identity matrix to zero
Find Out sum of principal diagonal element of given matrix
Find the 9's Complement
Convert decimal to hex as shown in test cases
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