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pro vyhledávání: '"Yue-fen Chen"'
Publikováno v:
BIT Numerical Mathematics. 62:667-680
Based on the equivalent transformation of the complex coefficient matrix, a fully structured preconditioner which is economic to implement within GMRES acceleration is presented for solving a class of complex symmetric indefinite linear systems. We a
Publikováno v:
Acta Mathematicae Applicatae Sinica, English Series. 32:231-238
In this paper we study the existence of infinitely many periodic solutions for second-order Hamiltonian systems $\left\{ {\begin{array}{*{20}c} {\ddot u(t) + A(t)u(t) + \nabla F(t,u(t)) = 0,} \\ {u(0) - u(T) = \dot u(0) - \dot u(T) = 0,} \\ \end{arra
Publikováno v:
Applied Mechanics and Materials. :329-332
An effective online handwritten numeral recognition system is designed based on the Matlab GUI interface. The coordinate locations of the handwritten numerals are recorded, from which the stroke direction variations and the 2-dimensional distance bet