An example of illconditioning in the numerical solution of singular perturbation problems
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 by Fred W. Dorr PDF
 Math. Comp. 25 (1971), 271283 Request permission
Abstract:
The use of finitedifference methods is considered for solving a singular perturbation problem for a linear ordinary differential equation with an interior turning point. Computational results demonstrate that such problems can lead to very illconditioned matrix equations.References

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Additional Information
 © Copyright 1971 American Mathematical Society
 Journal: Math. Comp. 25 (1971), 271283
 MSC: Primary 65L05
 DOI: https://doi.org/10.1090/S00255718197102971420
 MathSciNet review: 0297142