What you're looking for is not called the "characteristics equation", but the characteristic polynomial.
More test cases, please. ;-)
Most nonzero elements in row
Triangle Numbers Below N
Generate N equally spaced intervals between -L and L
03 - Matrix Variables 5
Matlab Basics II - Max & Index of Max
Solve Linear equations
Converter temp 0 to 200 degree C to 4 to 20mA
Do operation as per given string
Crate a vector of logarithmically spaced
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