γ
f ″ ( 0 )
− θ ′ ( 0 )
− ϕ ′ ( 0 )
0.0
1.2490
0.9373
0.5001
0.2
0.9261
0.8598
0.5
0.9161
1.2558
S l p
0
0.0417
−1.4963