本文在抽象空间中研究了不连续二阶常微分方程组解的存在唯一性,利用单调迭代方法和上下解方法证明了方程组的唯一解可以由迭代序列的一致极限得到,并给出了逼近解的迭代序列的误差估计式.
In this paper, the existence and uniqueness of solutions for systems of discontinuous second-order ordinary differential equations in abstract space is investigated. By using the monotone iterative technique and the method of upper and lower solutions, the unique solution is obtained by the uniformly limit of the iterative sequence, and the error estimate of the iterative sequences of approximation solutions is given.