Hi!
This is probably simple to solve, but I can't for the life of me work
out how: I've got a fraction, say:
a*%e^x/(b*%e^y + d*%e^x)
and I'd much prefer
a/(b*%e^(y-x) + d)
because it's simpler. (These aren't the actual formulae but they're of
the correct form)
Is there a function with which I can "divide through" by exp(x)? Also,
is it easily callable by format(), which I've recently started using? If
not, is there a method list members favour for doing "custom
simplification" of expressions like this - i.e. simplifying stuff
because you know more than maxima about the formula, e.g. getting
dimensions to cancel etc. ?
Thanks for any help (no hurry - this was near the end of the
computation so I did it on paper!)
Rupert
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