Chapter 3 is centered around the existence of periodical solutions for non self-adjoint nonlinear second order difference equations by invoking matrix theory and coincide degree theory.
第三章利用矩阵理论与重合度理论，讨论了一类非自共轭非线性二阶差分方程周期解的存在性问题。
Some new criteria of oscillation or non-oscillation are presented for certain nonlinear second order difference equations. Several examples are given to illustrate the results.
对一类二阶非线性差分方程的解给出了几个振动或非振动的判定定理，并举例说明了定理的应用。
A new entropy dissipator, based on the second-order difference of the numerical solution is given.
并且给出了一个新的以数值解的二阶差分作为基本模块的熵耗散函数。
According to the second-order difference of the consecutive pixels, the source pixel group is automatically selected to compute the corresponding target pixel gray value.
该算法以相邻像素的二阶差分为基础，自动选择与目标像素点相对应的源像素组进行插值运算。
According to the second-order difference of the consecutive pixels, the source pixel group is automatically selected to compute the corresponding target pixel gray value.
该算法以相邻像素的二阶差分为基础，自动选择与目标像素点相对应的源像素组进行插值运算。
应用推荐