| βW′ = | B0 | W′, γW′ = | C0 | W′, |
| 1 − B0 | 1 − C0 |
(26)
| Bλ, Cλ = ∫∞λ | abc dλ | ; |
| (b2 + λ, c2 + λ) P |
(27)
and
A + B + C = abc / ½P, A0 + B0 + C0 = 1.
(28)
For a sphere
a = b = c, A0 = B0 = C0 = 1⁄3, α = β = γ = ½,
(29)
| βW′ = | B0 | W′, γW′ = | C0 | W′, |
| 1 − B0 | 1 − C0 |
(26)
| Bλ, Cλ = ∫∞λ | abc dλ | ; |
| (b2 + λ, c2 + λ) P |
(27)
and
A + B + C = abc / ½P, A0 + B0 + C0 = 1.
(28)
For a sphere
a = b = c, A0 = B0 = C0 = 1⁄3, α = β = γ = ½,
(29)