A Galerkin spectral matrix method is proposed for weakly regular Sturm-Liouville eigenproblems with singular potentials, along with a convergence-based correction formula for eigenvalues validated by numerical experiments.
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Weakly regular Sturm-Liouville problems: a corrected spectral matrix method
A Galerkin spectral matrix method is proposed for weakly regular Sturm-Liouville eigenproblems with singular potentials, along with a convergence-based correction formula for eigenvalues validated by numerical experiments.