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Re: [Axiom-developer] Re: bug #361
From: |
William Sit |
Subject: |
Re: [Axiom-developer] Re: bug #361 |
Date: |
Sun, 09 Sep 2007 01:22:11 -0400 |
Bill:
Thanks for your "eagle eyes".
William
Bill Page wrote:
> Tim,
>
> No. You are integrating the wrong expression. You wrote:
>
> integrate(1/(-3+v^3)*v/(-4*v^3)^(1/2),v)
>
> but William wrote:
>
> integrate(1/(-3+v^3)*v/(-4+v^3)^(1/2),v)
>
> When you re-keyed it you changed + to * in the following sub-expression, i.e.
>
> (-4+v^3) to
> (-4*v^3)
>
> The integral presented in issue #361 still fails in newer versions of Axiom.
>
> Regards,
> Bill Page.
>
> On 9/8/07, William Sit <address@hidden> wrote:
> > Thanks. In that case, the report file should be closed (assuming the
> > integral is
> > correct).
> >
> > William
> >
> > address@hidden wrote:
> >
> > > William,
> > >
> > > I notice that you're running a version of Axiom from Nov 2004.
> > > In the latest version I get:
> > >
> > > Starts dribbling to bug361.input (2007/9/8, 20:55:12).
> > > (1) -> )set mes auto off
> > > (1) -> integrate(1/(-3+v^3)*v/(-4*v^3)^(1/2),v)
> > > ...