A kind of ordinary difference equation that can be transferred to Euler equation, often appears in polar coordinates solution of elastic problems.

在弹性力学问题的极坐标解答中，经常会遇到一类可转化为欧拉方程的常微分方程。

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This paper studies comparatively dual Euler method and quaternion method which are used for the solution of the singularity of the Euler equation.

对解决欧拉方程奇异性的双欧法和四元数法进行了对比研究。

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So, dual Euler method is better than quaternion method in the solution of the singularity of the Euler equation.

因此，对于解决欧拉方程奇异性来讲，双欧法要优于四元数法。

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