C++ 二维数组 创建

创建

double **data;data = new double*[m];//行for (int i = 0; i < m; ++i){    data[i] = new double[n]//列}for (int i = 0; i < m; ++i){    for (int j = 0; j < n; ++j){    data[i][j] = 0.0;//初始化    }}