In the process of calculating Euler'sequation, the least squares algorithm is a common choice.
在解欧拉方程的过程中，常用的方法是最小二乘法求解。
2
Traffic momentum differential equation and Euler'sequation are constructed by means of differential calculus.
通过对交通流参数的微分分析，建立了交通流的运动微分方程和欧拉方程。
3
Conversion relations between two variational functionals that take respectively same equation as their constrain condition and Euler'sequation are obtained.