有关矩阵特征值的ＭＡＴＬＡＢ源程序，解决数学建模问题中矩阵特征值的求解-Eigenvalues of the matrix MATLAB source code to solve the problem in mathematical modeling for solving matrix eigenvalue

以上代码是求解椭圆微分算子的特征值问题的Matlab源代码，采用有限元法的思想来编写的，程序计算结果和理论是相符的。-The above code is to solve the elliptic differential operator eigenvalue problem of the Matlab source code, using the finite element method to write the ideas, procedures, results and theoret