50g

Obviously forgot to give you these...apologies for all the messages.
M1=-578
M2=289
M3=-578

--- In 50g@yahoogroups.com, "renystro" <renystro@...> wrote:
>
> I am trying to solve three simultaneous equations and I can't seem
to
> figure out how to do it. I've gone through the manual and keep
> getting an error trying to use msolv
>
> I have
> M1=p*0^2+q*0+r
> M2=p*(L/2)^2+q*(L/2)+r
> M3=p*L^2+q*L+r
>
> The answers are p=-3 q=102 and r=-578
>
> Can anyone give me the syntax to get this from a 50g?
>
> I've also tried entering them as vectors and then using solve but
it
> only gave me the trivial solution (0 0 0)
>
> Thank you.
>