Spectrum
= Spectrum
{wiki=Spectrum_(functional_analysis)}
The spectrum of a <linear operator> consists of the <scalars> $\lambda$ for which $A-\lambda I$ is not invertible. In finite dimensions it is the set of <eigenvalues>.
= Spectrum
{wiki=Spectrum_(functional_analysis)}
The spectrum of a <linear operator> consists of the <scalars> $\lambda$ for which $A-\lambda I$ is not invertible. In finite dimensions it is the set of <eigenvalues>.