private void GetQ21(IMatrix q21, SymmetricMatrix Q) { Q21 = Q.Multiply(q21).Multiply(Q11).Multiply(-1); }
private void GetQ22(IMatrix q21, SymmetricMatrix Q) { Q22 = Q.Plus(Q.Multiply(q21).Multiply(Q11).Multiply(q21.Transposition).Multiply(Q)); }