| 1. | Oscillation of second order difference operator
一类二阶差分算子的振动性 |
| 2. | Numerical solution of poisson equation with non - uniform mesh finite difference scheme
求解双曲守恒律的均匀二阶差分格式 |
| 3. | Oscillatory and asymptotic behaviour of unsteady second - order difference equation
不稳定型二阶差分方程解的振动性及渐近性 |
| 4. | Positive solutions of second order difference equations with positive and negative coefficients
具正负系数二阶差分方程的正解 |
| 5. | An existence theorem of solution to boundary - value problem governed by second - order difference equation
二阶差分方程边值问题的一个存在定理 |
| 6. | This paper puts forward a kind of fast and effective method of muting value based on the curvature formula , and it can automatically discern mutating data using half two rank difference method and get rid of the false data
该方法以曲线的曲率公式为理论基础，用相邻点间的半二阶差分对突变点进行自动识别，并将其剔除。 |
| 7. | In section 4 , , e point out and correct some existing errors for the asymptotic behavior of nonlinear second order difference equation in " applied mathematics letters " , and make some ne , conclusions
在第四节我们指出并纠正《 appliedmathematicsletters 》上关于非线性二阶差分方程渐近性的错误，并给出了新的结论。 |
| 8. | The key is that the tone feature is introduced to be the feature parameter . that is to say , the fundamental frequency , the derivative of fundamental frequency and its derivative are used as the feature parameters
关键技术是引入声调的特征量作为特征参数，利用基频、基频的一阶和二阶差分，作为特征参数，以提高识别率。 |
| 9. | By constructing a pseudo almost periodic solution sequence for a relevant difference equation , we investigated the existence and uniqueness of pseudo almost periodic solution of neutral delay differential equation with piece - wise constant arguments
通过构造二阶差分方程的伪概周期序列解，研究了带逐段常变量的中立型时滞微分方程d d |
| 10. | In this paper , two point boundary value problem of a class of second - order difference equation with singularity is discussed by using upper - lower solutions method , and as a result , some existence theorems of positive solutions are cited
摘要主要采用上下解方法，研究了一类带有奇性的二阶差分方程的两点边值问题，给出了一系列正解的存在条件。 |
