On one approach to finding the branching lines and bifurcation points of solutions of nonlinear integral equations whose kernels depend analytically on two spectral parameters |
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Authors: | B M Podlevs’kyi |
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Institution: | 1.Pidstryhach Institute for Applied Problems of Mechanics and Mathematics,Ukrainian National Academy of Sciences,Lviv,Ukraine |
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Abstract: | We consider iterative algorithms of finding the curves of eigenvalues and their bifurcation points of a nonlinear algebraic
two-parameter spectral problem, which appears in the solution of the problem of synthesis of plane antenna arrays by a given
amplitude directivity pattern. These algorithms are based on the numerical procedure of calculation of ordinary and partial
derivatives of a matrix determinant and the algorithm of finding all eigenvalues in a given domain of change in the spectral
parameters. We also present some results of numerical experiments. |
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