{-3, 0, -9}
}, new double[]{1, 1, 1});
Optimum optimum = optimizer.optimize(problem.getBuilder().build());
Plane span = new Plane(Vector3D.ZERO, new Vector3D(1, 2, -3), new Vector3D(2, 1, 0), TOl);
double expected = FastMath.abs(span.getOffset(new Vector3D(1, 1, 1)));
double actual = optimum.getResiduals().getNorm();
//verify
Assert.assertEquals(expected, actual, TOl);
}