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Topic: differential equation
Replies: 4   Last Post: Aug 19, 2017 1:15 AM

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drhuang57@gmail.com

Posts: 310
Registered: 1/7/14
differential equation
Posted: Jul 6, 2017 11:53 PM
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On Tuesday, 2 August 07:30:36 UTC+10, none Rouben Rostamian wrote:
> In article <1fbbda2a-ca78-40d9-8378-bf9715da7cee@m22g2000yqh.googlegroups.com>,


> zz <zhangyilei@gmail.com> wrote:
> >y''''=(a+b*x)*y,a,b are constant. any hints or links, or good math
> >handbook recommendation? thanks.

>
> I tried this in Maple. It did not find an explicit solution.
>
> A series solution is possible, as in:
>
> y(x) = u[0] + u[1] x + 1/2 u[2] x^2 + 1/6 u[3] x^3
> + 1/24 a u[0] x^4 + (1/120 a u[1] + 1/120 b u[0]) x^5 + O(x^6),
>
> where u[i] is the ith derivative of y at x=0.
>
> --
> Rouben Rostamian



I tried this in wolfram, it cannot either. why?


reference math handbook
mathHandbook.com



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