Abstract
It is proved that under certain assumptions on the functions q(t) and f(t), there is one and only one function u0(t) ∈ \(\mathop {W_2^1 }\limits^o (a,b)\) at which the functional
attains its minimum. An error bound for the finite element method for computing the function u0(t) in terms of q(t), f(t), and the meshsize h is presented. Bibliography: 3 titles.
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M. N. Yakovlev, “Solvability of singular boundary-value problems for ordinary differential equations of order 2m,” Zap. Nauchn. Semin. POMI, 309, 174–188 (2004).
M. N. Yakovlev, “Existence of nonnegative solutions of singular boundary-value for second-order ordinary differential equations,” Zap. Nauchn. Semin. POMI, 323, 215–222 (2005).
M. N. Yakovlev, “The first boundary-value problem for a singular nonlinear ordinary differential equation of fourth order,” Zap. Nauchn. Semin. POMI, 334, 233–245 (2006).
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Translated from Zapiski Nauchnykh Seminarov POMI, Vol. 346, 2007, pp. 149–159.
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Yakovlev, M.N. A finite element method for solving singular boundary-value problems. J Math Sci 150, 1998–2004 (2008). https://doi.org/10.1007/s10958-008-0115-z
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DOI: https://doi.org/10.1007/s10958-008-0115-z