Nb
f ″ ( 0 )
− θ ′ ( 0 )
− ϕ ′ ( 0 )
0.1
1.2490
0.9261
0.8598
0.3
0.7354
1.2458
1.0
0.3051
1.3587
S l p
0
0.6703
-0.4517