c++ defines Mat matrix, multiplication, dot product, inner product,

Mat类的加减法运算
cv::Mat a = (cv::Mat_<int>(3, 3) << 1, 2, 3, 4, 5, 6, 7, 8, 9);
cv::Mat b = (cv::Mat_<int>(3, 3) << 1, 2, 3, 4, 5, 6, 7, 8, 9);
cv::Mat c = (cv::Mat_<double>(3, 3) << 1.0, 2.1, 3.2, 4.0, 5.1, 6.2, 2, 2, 2);
cv::Mat d = (cv::Mat_<double>(3, 3) << 1.0, 2.1, 3.2, 4.0, 5.1, 6.2, 2, 2, 2);
cv::Mat e, f, g, h, i;
e = a + b;
f = c - d;
g = 2 * d;
h = d / 2.0;
i = a – 1;

j =
[34.35, 41.28, 48.21000000000001;
 76.92, 94.73999999999999, 112.56;
 119.49, 148.2, 176.91]
k =
285
m =
[1, 4, 9;
 16, 25, 36;
 49, 64, 81]

j =
[34.35, 41.28, 48.21000000000001;
 76.92, 94.73999999999999, 112.56;
 119.49, 148.2, 176.91]
k =
285
m =
[1, 4, 9;
 16, 25, 36;
 49, 64, 81]