MathGroup Archive 2010

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Help with Solve

Since I posted the question, I've been using Reduce alot more and for
many tasks it's been performing well. Thanks for helping me to see
(more of) the light. :-)


On Sep 9, 3:23 am, Eduardo  Cavazos <wayo.cava... at> wrote:

> Hello!
> A newb question I'm sure... :-)
> Here's a couple of equations:
> eq1 = n*Sin[x] == (m*v^2)/r;
> eq2 = n*Cos[x] == m*g;
> The goal is to solve for 'x'.
> I can do this in a roundabout way via:
>     Solve[eq1 /. Solve[eq2, n], x]
> I.e. solve eq2 for 'n', substitute this into eq1, and solve the result
> for 'x'. But this approach seems too "manual".
> Is there a more straightforward way to carry out the problem? I tried
> this:
>     Solve[{eq1, eq2}, x]
> but it doesn't seem to work. What's a good way to go about this?
> Thanks!
> Ed

  • Prev by Date: How to localize a symbol when using Manipulate?
  • Next by Date: Re: How to deal with this message?
  • Previous by thread: Re: Help with Solve
  • Next by thread: Plot with Manipulate