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

ritz 向量叠加法源代码 解决大型特征值问题-ritz vector superposition method source code to solve large-scale eigenvalue problem