Inall content of the ordinary differential equation,the part of linear system occupies an important position. It is not only because the theory itself has been researched clearly,but also linear system is the basis of nolinear system.Takes advantage of the linear space theory to analysis and research the ordinary differential equation and solving equation further.%在常微分方程的全部内容中,线性系统部分占有特别重要的地位,这不仅因为其自身的理论已被研究得十分清楚外,同时线性系统又是讨论非线性系统的基础。利用线性空间理论进一步对常微分方程线性内容及方程求解做一些分析和探究。
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