该代码是矩阵的功能演示，包含矩阵的复制，矩阵的转置，矩阵的求逆，-The code is a matrix function of presentation, including a copy of matrix, matrix transpose, matrix inversion, etc.

OpenCV矩阵运行，可直接运行，已经包含lib库和dll动态链接库，实现矩阵的相乘，求逆等操作-OpenCV matrix operation, can be directly run, already contains dll lib libraries and dynamic link library, to achieve the matrix multiplication, inverse and other operations

用opencv函数从txt文件中读取数据到二维矩阵的程序，并进行求逆，求和，求矩阵每列元素平均值，摄像机标定时的一小部分-Using OpenCV function from the txt file to read the data into a two-dimensional matrix procedures, and the inverse of matrix, and each column elements, on average, a small portion of camer