Abstract
Every numerical method for getting approximate solutions of a singular boundary value problem should take care of the type of the occurring singularities, otherwise the convergence would be very slow. A list of singularities may be helpful for the treatment of concrete problems. Using approximation methods one can get in certain cases exact error bounds for the approximate solutions; this is illustrated by different examples, especially a free boundary value problem, for which an exact error bound for the free boundary is given.
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Collatz, L. (1978). The numerical treatment of some singular boundary value problems. In: Watson, G.A. (eds) Numerical Analysis. Lecture Notes in Mathematics, vol 630. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0067695
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DOI: https://doi.org/10.1007/BFb0067695
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