What you're looking for is not called the "characteristics equation", but the characteristic polynomial.
More test cases, please. ;-)
given 3 sides, find area of this triangle
Arrange Vector in descending order
Is A the inverse of B?
Given a matrix, return the last eigen value
Append two matrix as shown below example
Create Vector containing following elements
Convert number from given base to other base
Find Out sum of principal diagonal element of given matrix
Crate a vector of logarithmically spaced
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