Spectral decomposition is any of several things:
- Spectral decomposition for matrix: eigendecomposition of a matrix
- Spectral decomposition for linear operator: spectral theorem
- Decomposition of spectrum (functional analysis)
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Last revised Jun 3, 2026
Spectral decomposition
Spectral decomposition is any of several things:Spectral decomposition for matrix: eigendecomposition of a matrix Spectral decomposition for linear operator: spectral theorem Decomposition of spectrum