compute the characteristic polynomial of a matrix
name or algebraic expression
Important: The linalg package has been deprecated. Use the superseding command LinearAlgebra[CharacteristicPolynomial], instead.
- For information on migrating linalg code to the new packages, see examples/LinearAlgebraMigration.
The function charpoly computes the characteristic polynomial of the matrix A=det⁡I⁢λ−A, where I is the identity matrix and n is the dimension of A.
The command with(linalg,charpoly) allows the use of the abbreviated form of this command.
A ≔ matrix⁡3,3,1,2,3,1,2,3,1,5,6
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