1) differential equation with varied coefficient
变系数微分方程
1.
The differential equation with varied coefficient of the SH-wave in the functionally graded materials is established.
建立了功能梯度材料中SH波的变系数微分方程。
2.
The differential equation with varied coefficient of one-dimensional P wave in the functionally graded materials is established.
建立了功能梯度材料中一维 P 波的标准变系数微分方程,对材料的弹性模量和质量密度均呈指数函数变化情况进行了求解,弹性模量、质量密度相同分布时,给出子位移的解析解；弹性模量、质量密度不同分布时,给出了位移的 WKBJ 近似解析解。
3) differential equation with variable coefficients
变系数微分方程
1.
Since this equation is a second-order differential equation with variable coefficients, it is hard to find the closed soultion.
由于该方程是二阶变系数微分方程,其解析解很难得到。
4) Variable cofficient and variable delay of delay differential equations
变系数变延迟微分方程
5) differential Riccati equation with variable coefficients
变系数微分Riccati方程
1.
Numerical solution of differential Riccati equation with variable coefficients via symplectic conservative perturbation method;
变系数微分Riccati方程的保辛摄动近似求解
6) differential equation groups of variable linear constant index
变系数线性微分方程组
补充资料：微分作用系数
分子式：
CAS号：
性质：在纯微分作用的单元中，输出变量值与输入变量变化率(时间导数)之比。
CAS号：
性质：在纯微分作用的单元中，输出变量值与输入变量变化率(时间导数)之比。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条