“Rayleigh-Ritz method”的概念、定义、翻译、参考文献-科学参考

　

单词	Rayleigh-Ritz method
释义	Rayleigh-Ritz method Encyclopedia 理学结构振动分析近似方法释 Rayleigh-Ritz method瑞利-里茨法一种基于能量原理近似计算系统前几阶固有频率和振型的方法。理学﹝弹性力学基本方法﹞释 Rayleigh-Ritz method瑞利-里兹法在泛函的自变函数所属的函数类中选择一个适当的函数序列来构造近似函数，从而将问题转化为线性代数方程组来求解的弹性力学中基于变分原理的一种近似方法。 Mathematics Rayleigh-Ritz method瑞利-里茨方法^†
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