diff options
| -rw-r--r-- | contrib/cone-vector.py | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/contrib/cone-vector.py b/contrib/cone-vector.py index 6effe53..16d1dfa 100644 --- a/contrib/cone-vector.py +++ b/contrib/cone-vector.py @@ -25,9 +25,6 @@ def random_vector_on_sphere (dim): x = randn(dim) return x / norm(x) -def surface_area_of_ball (dim): - return 2 * pi**(dim/2) / gamma(dim/2) - def planar_angle2solid_angle_fraction (planar_angle, dim): alpha = (dim - 1) / 2 beta = 1/2 @@ -40,7 +37,6 @@ def planar_angle2solid_angle_fraction (planar_angle, dim): def solid_angle_fraction2planar_angle (solid_angle_fraction, dim): alpha = (dim - 1) / 2 beta = 1/2 - sn = surface_area_of_ball(dim) if solid_angle_fraction < 1/2: planar_angle = betaincinv(alpha, beta, 2*solid_angle_fraction) else: |