third order difference

And then the ways about studying the second order delay difference equation with maxima are used, and a new oscillatory criteria is established about the third order delay difference equation with maxima.

其次利用了文献中研究带有极大值的二阶差分方程的思想方法，建立了一个带有极大值项的三阶差分方程的振动准则。

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Also we have elaborated the calculation of Raman linewidth, Raman scattering cross section, transitions between energy levels of the particle number density difference that are crucial in the third-order nonlinear susceptibility expressions. 3.

对三阶非线性共振极化率表达式中拉曼线宽、拉曼散射截面及跃迁能级之间的粒子数密度差的计算分别进行了详细讨论。

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Oscillatory criteria of third order nonlinear difference equations with variable delay argument

三级非线性变时滞差分方程振动准则

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Methods With chemical kinetic model for 12 species and 11 steps reaction, the partial differential equations of chemically reacting flow were given based on full Navier Stokes equations. Difference schemes, one of which was third order ENO for convective terms, were used to discretize them.

方法从Navier－Stokes方程出发，采用12组分11个反应的化学动力学模型，建立化学反应流动的微分方程组，然后采用差分方程离散，其中对流项采用了高精度的3阶ENO格式；

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