实现矩阵的特征值特征向量的计算，矩阵乘法，线性方程组求解以及矩阵行列式计算。-Eigenvectors of the matrix eigenvalue computation, matrix multiplication, solving linear equations and matrix determinant calculation.

(主成分分析)Jacobi法求解对称矩阵的特征值及特征向量-(PCA)Finding the eigenvalues and eigenvectors of symmetric matrices, applying Jacobi s method

用数值分析方法求解实数矩阵特征值和特征向量——C语言代码，VS2012版-Using numerical analysis method to Solve real matrix eigenvalues and eigenvectors C language code, VS2012 version