Aim To study the rules governing pressure distribution of traveling charge under the condition of Lagrange hypothesis.
目的研究拉格朗日假设条件下随行装药的膛内压力分布规律。
Then its generalized variational principle is established on the basis of Lagrange multiplier method by absorbing the first kind of boundary condition.
然后利用拉格朗日乘子法，吸收第一类边界条件，从而得出其广义变分原理；
With the Lagrange multiplier method, the minimum distance of the center of a circle and a quadric surface was provided and the tangency condition of curve and surface was given.
利用拉格朗日乘子法求解二次曲线和二次曲面之间的最小距离，给出了曲线与曲面相切的条件。
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