The Eigenvalue Problem: Properties and Decompositions
نویسنده
چکیده
The superscript H refers to the Hermitian transpose, which includes transposition and complex conjugation. That is, for any matrix A, AH = AT . An eigenvector of A, as defined above, is sometimes called a right eigenvector of A, to distinguish from a left eigenvector. It can be seen that if y is a left eigenvector of A with eigenvalue , then y is also a right eigenvector of AH , with eigenvalue . Because x is nonzero, it follows that if x is an eigenvector of A, then the matrix A − I is singular, where is the corresponding eigenvalue. Therefore, satisfies the equation
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