He also proposed and discussed the problem of isoperimetric figures.他还提出并讨论过等周问题.Based on FEM theory, a program of isoperimetric quadrilateral element is made using MATLAB software.基于有限元理论, 用MATLAB语言编制了四结点等参元计算机程序....
An iteration procedure can be used to determine the eigenvalue.迭代方法可用来确定特征值.To this end we shall first consider the following eigenvalue problem.为此目的,我们将首先考虑下列的本征值问题.We can not say for certain which eigenvalue will be ob...