10.52 n A cos (kx ot) u Aoey cos(kx ot) v =Aoeky sin (kx -ot) 1
10.52 η = A cos (kx - ωt) u = Aωe ky cos (kx - ωt) v = Aωe ky sin (kx - ωt) 1
2
2
3
3
p= 2 2元 Ψ=Ar2/3sin(2/30)
π φ 2 Q = ln r π φ 2 Q −= ln r 2/3 Ψ = A r sin (2/3 ) θ 4
sin 00
0 2 0 2 A r sin π θ ⎛ ⎞ πθ Ψ = ⎜ ⎟ θ ⎝ ⎠ 5