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Mat matA(1, 1, CV_8UC1, Scalar(1));
    cout << "matA = " << endl << " " << matA << endl;
    
    Mat matB(1, 1, CV_8UC2, Scalar(1,2));
    cout << "matB = " << endl << " " << matB << endl;

    Mat matC(1, 1, CV_8UC3, Scalar(1,2,3));
    cout << "matC = " << endl << " " << matC << endl;

    Mat matD(1, 1, CV_8UC4, Scalar(1,2,3));
    cout << "自動補零 matD = " << endl << " " << matD << endl;

    Mat matE(2, 2, CV_8UC3, Scalar(1,2,3));
    cout << "matE = " << endl << " " << matE << endl;

    Mat matF;
    matF.create(2, 2, CV_8UC(2));
    cout << "matF = " << endl << " " << matF << endl;

Mat matG = Mat::eye(3,3,CV_64F);
    cout << "matG = " << endl << " " << matG << endl;

    int sz[3] ={2,2,2};
    Mat matH(3, sz, CV_8UC1, Scalar::all(0));
    

    Mat matI = Mat::ones(1,3,CV_32F);
    cout << "matI = " << endl << " " << matI << endl;

    Mat matJ = Mat::zeros(3,1,CV_32F);
    cout << "matJ = " << endl << " " << matJ << endl;

    Mat matK = (Mat_<double>(3,3) << 1, 2, 3, 4, 5, 6, 7,8 ,9);
    cout << "matH = " << endl << " " << matK << endl;

Mat matL = matK.row(1).clone();
    cout << "matL = " << endl << " " << matL << endl;

    Mat matM = matK.col(1).clone();
    cout << "matM = " << endl << " " << matM << endl;

    Mat matN = Mat(3, 2, CV_8UC3);
    randu(matN, Scalar::all(100), Scalar::all(110));
    cout << "matN = " << endl << matN << endl;

    Point2f pt1(1,2);
    cout << "pt1 = " << pt1 << endl << endl;

    Point3f pt2(1,2,3);
    cout << "pt2 = " << pt2 << endl << endl;