The tension differential equation with distributed parameters which can accurately describe the tension at varied section was inferred.

为此，本文作者推导出了能精确描述变截面情况的分布参数张力微分方程。

youdao

Consider the distributed parameter system described by the second order partial differential equation of composed type, we discuss its a boundary optimal control problem with quadratic performance.

考虑用二阶复合型偏微分方程所描述的分布参数系统，研究了它的一个使平方性能指标达到最小值的边界最优控制问题。

youdao

To study the oscillatory of solutions to a class of nonlinear neutral hyperbolic differential equation with continuous distributed delay.

研究一类具有连续分布滞量的非线性中立型双曲方程解的振动性质。

youdao