<正>By using a continuous transition method of a matrix and the estimate for spectral radius of a sub-matrix etc.,decision methods for a generalized H-matrix un
<正>The mechanical background of the bivariate spline space of degree 2 and smoothness 1 on rectangular partition is presented constructively.Making use of mech
<正>The initial boundary value problem of wave equations and reaction-diffusion equations with several nonlinear source terms in a bounded domain is studied by
<正>A finite difference method is presented to simulate transverse vibrations of an axially moving string.By discretizing the governing equation and the equatio