## Union of Soviet Socialist Republics Computational Mathematics and Mathematical Physics, Volume 7 |

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### Contents

Number | 1 |

A method of differential descent | 15 |

A nonlinear extremal problem | 41 |

Copyright | |

36 other sections not shown

### Common terms and phrases

Akad algorithm analytic continuation approximation arbitrary assume boundary conditions bounded C-set Cauchy problem cluster point coefficients column Computational consider construct continuous convergent convex convex sets coordinate corresponding cubature cubature formula defined denote difference schemes differential descent differential equations eigenvalue elements energy evaluation exists finite functions u(x given heat conduction Hence Hilbert space inequality initial condition integral inverse iterative Lemma linear mathematical matrix mesh minimum Moscow neutron non-degenerate non-linear norm number of operations obtain optimal control order of approximation ordinary differential equations orthogonal oscillations parameter particles positive definite Prom Proof proved region respect right-hand side root round-off errors scalar product Section selfadjoint singular system solution of system solving stability sufficient Suppose surface theory three-layer scheme tion trajectories transformation two-layer scheme unique values variables vector function vychisl