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Mar 19, 2018 at 15:30 vote accept CommunityBot moved from User.Id=49048 by developer User.Id=86366
Mar 15, 2018 at 22:40 answer added user49048 timeline score: 2
Mar 15, 2018 at 17:36 answer added Nasser timeline score: 2
Mar 15, 2018 at 16:11 comment added user49048 Thanks for taking the time to answer, however in your code as in the first bit of mine there are unevaluated derivatives.
Mar 15, 2018 at 16:07 comment added Mariusz Iwaniuk Try:findSeriesSolution[t_, nTerms_] := Module[{pt = 0}, {ic = {u[0] -> \[Pi]/2, u'[0] -> m}}; ode = Sin[ u[t]]^2 (3 Cos[u[t]] (1 + t^2 u'[t]^2) + t Sin[u[t]] (3 u'[t] + 4 t^2 u'[t]^3 - t u''[t])); s0 = Series[ode, {t, pt, nTerms}]; s0 = s0 /. ic; roots = Solve@LogicalExpand[s0 == 0]; s1 = Series[u[t], {t, pt, nTerms + 2}]; sol = Normal[s1] /. ic /. roots[[1]]]; seriesSol = findSeriesSolution[z, 5]
Mar 15, 2018 at 15:54 history edited user49048 CC BY-SA 3.0
I edited some useful info regarding the original post.
Mar 15, 2018 at 15:26 history asked user49048 CC BY-SA 3.0