17/03/31 11:32:49.49 132bN3hL.net
>>102
右辺をKとおく。
1 - cosθ = 2{sin(θ/2)}^2 より
t/K = ∫ 1/√(1-cosθ) dθ
= (1/√2)∫ 1/sin(θ/2) dθ
= (√2) log{tan(θ/4)/C},
θ(t) = 4･arctan{C･exp(t/K√2)},
分かスレ４２５-395
17/03/31 11:32:49.49 132bN3hL.net
>>102
右辺をKとおく。
1 - cosθ = 2{sin(θ/2)}^2 より
t/K = ∫ 1/√(1-cosθ) dθ
= (1/√2)∫ 1/sin(θ/2) dθ
= (√2) log{tan(θ/4)/C},
θ(t) = 4･arctan{C･exp(t/K√2)},
分かスレ４２５-395