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linalg(deprecated)

  

charmat

  

construct the characteristic matrix

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

charmat(A, lambda)

Parameters

A

-

square matrix

lambda

-

name or algebraic expression

Description

• 

Important: The linalg package has been deprecated. Use the superseding command LinearAlgebra[CharacteristicMatrix], instead.

  

- For information on migrating linalg code to the new packages, see examples/LinearAlgebraMigration.

• 

The function charmat constructs the characteristic matrix M=IλA, where I is the identity matrix. If lambda is a name, then detM is the characteristic polynomial.

• 

The command with(linalg,charmat) allows the use of the abbreviated form of this command.

Examples

Important: The linalg package has been deprecated. Use the superseding command LinearAlgebra[CharacteristicMatrix], instead.

withlinalg:

Amatrix3,3,1,2,3,1,2,3,1,5,6

A123123156

(1)

charmatA,λ

λ1231λ2315λ6

(2)

See Also

linalg(deprecated)[charpoly]

linalg(deprecated)[eigenvals]

linalg(deprecated)[nullspace]

LinearAlgebra