docstr: Test the Jacobians with respect to squared radii.
docstr_tok: ["Test","the","Jacobians","with","respect","to","squared","radii","."]
code: def test_both_radial_jacobian(self, distortion_function):
      """Test the Jacobians with respect to squared radii."""
      squared_radii = _get_random_radii().astype(np.float64) * 0.5
      distortion_coefficients = (
          _get_random_coefficient().astype(np.float64) * 0.5
      )
      distortion_coefficients -= 0.25
  
      def distortion_fn(squared_radii):
          distortion, _ = distortion_function(
              squared_radii, distortion_coefficients
          )
          return distortion
  
      self.assert_jacobian_is_correct_fn(
          distortion_fn, [squared_radii], delta=1e-7, atol=1e-3
      )
  
imports: from absl.testing import parameterized
  import numpy
  import tensorflow
  from tensorflow_graphics.rendering.camera import quadratic_radial_distortion
  from tensorflow_graphics.util import test_case
label_desc: Use image node_id 13 for calling the QuadraticRadialDistortionTest obj's underlying member method code with example usage: obj.test_both_radial_jacobian(distortion_function) and returns: distortion