The matrix is, [[1, 0, 0, 1, 1], [0, 1, 1, 1, 1]],  and  the vector b is ,

    [3, 4]

         The correlation matrix with parameters, [1, 1, 1, 1, 1], is :

[[1., 0.4703309160, 0.4703309160, -0.4455106391, -0.4455106391],

    [0.4703309160, 1., -0.5575776592, -0.2095374270, -0.2095374270],

    [0.4703309160, -0.5575776592, 1., -0.2095374270, -0.2095374270],

    [-0.4455106391, -0.2095374270, -0.2095374270, 1., -0.6030405405],

    [-0.4455106391, -0.2095374270, -0.2095374270, -0.6030405405, 1.]]