Matrix A01 = I_3x3;Vector3b0(1.5,1.5,1.5);Vector3s0(1.6,1.6,1.6); Matrix A10 =2.0* I_3x3; Matrix A11 =-2.0* I_3x3;Vector3b1(2.5,2.5,2.5);Vector3s1(2.6,2.6,2.6); Matrix A21 =3.0* I_3x3;Vector3b2(3.5,3.5,3.5);Vector3s2(3.6,3.6,3.6);GaussianFactorGraphgfg; gfg.add(1, A...