Re: Using Calc

[Nick Dokos]

Christopher Dimech <dimech@gmx.com> writes:

> I have made some more progress with calc.
>
> A pending thing is how to use taylor because
>
> taylor(ln(x), x, 3) =>
>
> did not do anything.  I might be missing something or the example is not a 
> good one.
>

There is no Taylor expansion of the logarithm around x=0: it diverges there.

Try

  taylor(ln(x), x-1, 3) =>

to get the usual expansion around x=1.

-- 
Nick

"There are only two hard problems in computer science: cache
invalidation, naming things, and off-by-one errors." -Martin Fowler