Abstract
We show that the extremum of the local variational problem with a singular nonlinear integrand found by the optimal path continuation procedure is in fact a local extremum. Conditions simplifying the search for a global extremum are identified.
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References
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Translated from Prikladnaya Matematika i Informatika, No. 3, pp. 11–19, 1999.
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Afanas'ev, A.P., Ostapenko, A.V. Maximizing the sum of superdiagonal matrix elements in local variational problems with a singular integrand. Comput Math Model 11, 327–334 (2000). https://doi.org/10.1007/BF02359297
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DOI: https://doi.org/10.1007/BF02359297