Alasdair McAndrew <amca01 <at> gmail.com> writes:
> both of which give me as a solution
>
> log(y)-log(y-1) = x - log(2) - log(-1/2)
>
> instead of
>
> y = exp(x)/(exp(x)+1).
>
> I can obtain this solution by some fiddling with Maxima's output, but is
there any way of obtaining the "correct" solution directly?
>
> Thanks,Alasdair
Sorry to state this question, but - your output from Maxima above
states undefined function! See -log(-1/2). How come?
Thanks, Dan