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Adds jacobian rows to dot

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This commit is contained in:
Deepak Mallubhotla
2021-08-24 14:00:39 -05:00
parent 7230d37244
commit 359e048531
2 changed files with 41 additions and 0 deletions
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20
tests/model/test_dot.py
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@@ -23,3 +23,23 @@ def test_dot_v_from_dipole():
numpy.testing.assert_allclose(dot.v_for_point(pt), target, err_msg="v from dipole at a dot was incorrect!")
numpy.testing.assert_allclose(dot.cost(pt), cost, err_msg="cost from dipole at a dot was incorrect!")
def test_dot_jac():
# for a dot located at (1, 2, 3)
dot = model.Dot(50, (1, 2, 3))
# and dipole located at (4, 7, 11) with p=(8, 9, 10)
pt = numpy.array((8, 9, 10, 4, 7, 11))
target_jac_pt = [-0.003092303707812889, -0.005153839513021483, -0.00824614322083437, 0.0058585481811285, 0.01423090787983279, 0.02730483137919137]
# assume a second dipole at (12, 13, -5), with p = (-1, -2, -3)
second_target = [-0.002054993939616119, -0.002054993939616119, 0.001494541046993541, 5.494636202182148e-6, 0.0001923122670763748, 0.0006923241614749492]
pt2 = numpy.array((-1, -2, -3, 12, 13, -5))
jac_row_target = target_jac_pt + second_target
pts = numpy.append(pt, pt2)
assert len(dot.jac_pt(pt)) == 6
numpy.testing.assert_allclose(dot.jac_pt(pt), target_jac_pt, err_msg="Jac pt doesn't match Mathematica result.")
numpy.testing.assert_allclose(dot.jac(pts), jac_row_target, err_msg="whole row should match")