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Spectrum of the Jacobi tau approximation for the second derivative operator. (English) Zbl 1160.65326

MSC:
65L15 Numerical solution of eigenvalue problems involving ordinary differential equations
34L16 Numerical approximation of eigenvalues and of other parts of the spectrum of ordinary differential operators
35K05 Heat equation
65M70 Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs
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