Spectral Method (disambiguation)

Spectral Method may refer to:

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  Spectral methods (numerical analysis for PDEs)

  A family of numerical methods that approximate solutions using global basis functions (e.g., Fourier/Chebyshev) to solve differential equations.

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  Spectral method (observational astronomy technique)

  A set of techniques that analyze astronomical observations via the spectrum (e.g., extracting physical properties from spectral measurements).