Mrm := Matrix(3, 3, [[.1411555555,-.4804444445e-1,-.8007407406e-2*2^(1/2)*3^(1
/2)*6^(1/2)],[-.4804444445e-1,.1411555555,-.8007407406e-2*2^(1/2)*3^(1/2)*6^(1
/2)],[-.8007407407e-2*2^(1/2)*3^(1/2)*6^(1/2),-.8007407407e-2*2^(1/2)*3^(1/2)*
6^(1/2),.1411555555]]);