| 不变量方法 |
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| 引用本文： | 刘桂馥.不变量方法[J].大气科学学报,1995,18(4):500-505. |
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| 作者姓名： | 刘桂馥 |
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| 作者单位： | 南京气象学院基础科学系, 南京 210044 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 不变量方法是一种数字技术,该方法对给定长度有限的时间序列,可以构造出一个常微分方程组。该方程组的解在有限时段上的采样值与给定序列重合。观测研究是对无法确定其方程的动力系统进行的研究;不变量方法提出了动力数值试验的可能性。
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| 关 键 词： | 动力系统 半流 一阶偏微分方程 守恒律 不变量 伴生函数 |
| 收稿时间： | 1994/12/29 0:00:00 |
| 修稿时间： | 1995/6/19 0:00:00 |
THE INVARIANT METHOD |
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| Liu Guifu.THE INVARIANT METHOD[J].大气科学学报,1995,18(4):500-505. |
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| Authors: | Liu Guifu |
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| Institution: | Department of Basic Courses, NIM, Nanjing 210044 |
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| Abstract: | The method of invariant quantity is a mathematic tcol by which a system of ordinary differential equations can be constructed for a limited-length time sequence and the sampled valueof their solution in a limited time domain coincides with the given series. Observational studyaims at the approach to a dynamic system whose equation is undeterminable. The methed pre-sented offers likelihood to carry out numerical experiments in a meteorological context. |
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| Keywords: | dynamic system semifluid first-order partial differential equation conservationlaw invariant quantity accompanying function |
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