Effective solution of the problem of the optimal stability polynomial

被引:5
|
作者
Bogatyrëv, AB [1 ]
机构
[1] Moscow Inst Phys & Technol, RAS, Inst Numerical Math, Moscow, Russia
关键词
D O I
10.1070/SM2005v196n07ABEH000944
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
An effective method for finding the polynomial approximating the exponential function with order 3 at the origin and deviating from 0 by at most 1 on the longest interval of the real axis is put forward. This problem is reduced to the solution of four equations on a 4-dimensional moduli space of algebraic curves. A numerical realization of this method using summation of linear Poincare series is described.
引用
收藏
页码:959 / 981
页数:23
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