12 Element::coords_t coords;
26 std::cout <<
"location:\n" << elem.get_x(xi) << std::endl;
30 std::cout <<
"gradient:\n" << elem.get_dx(xi) << std::endl;
31 std::cout <<
"jacobian:\n" << elem.get_dx(xi).determinant() << std::endl;
35 std::cout <<
"2nd derivative:\n" << elem.get_ddx(xi) << std::endl;
45 Element::coords_t coords;
56 std::cout <<
"location:\n" << elem.get_x(xi) << std::endl;
60 std::cout <<
"gradient:\n" << elem.get_dx(xi) << std::endl;
61 std::cout <<
"normal:\n" << elem.get_normal(xi) << std::endl;
62 std::cout <<
"jacobian:\n" << elem.get_normal(xi).norm() << std::endl;
66 std::cout <<
"2nd derivative:\n" << elem.get_ddx(xi) << std::endl;