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From: Nick Dokos <ndokos@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Using Calc
Date: Wed, 05 May 2021 17:37:53 -0400	[thread overview]
Message-ID: <87y2csrhe6.fsf@alphaville.usersys.redhat.com> (raw)
In-Reply-To: trinity-78cfd456-b4fa-4e47-afb1-7908ff35f8fb-1620224173387@3c-app-mailcom-bs16

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




  reply	other threads:[~2021-05-05 21:37 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-05  5:58 Using Calc Christopher Dimech
2021-05-05  6:04 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-05-05 10:23   ` Christopher Dimech
2021-05-05 10:31     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-05-05 10:42       ` Christopher Dimech
2021-05-05 11:15   ` Christopher Dimech
2021-05-05 11:21     ` Eric S Fraga
2021-05-05 11:31       ` Christopher Dimech
2021-05-05 11:39         ` Eric S Fraga
2021-05-05 11:48           ` Christopher Dimech
2021-05-05 11:58             ` Eric S Fraga
2021-05-05 12:42               ` Christopher Dimech
2021-05-05 13:00                 ` Christopher Dimech
2021-05-05 14:16               ` Christopher Dimech
2021-05-05 21:37                 ` Nick Dokos [this message]
2021-05-05 21:53                   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-05-06  7:18                     ` tomas
2021-05-05 11:58           ` Christopher Dimech
2021-05-05 14:58           ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-05-05 15:23             ` Christopher Dimech
2021-05-05 16:44             ` Eric S Fraga
2021-05-05 17:25               ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-05-05 17:33                 ` Gregory Heytings
2021-05-05 18:52                   ` Tassilo Horn
2021-05-05 20:46                     ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-05-05 21:01                       ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-05-06  7:51                       ` Gregory Heytings
2021-05-05 19:52                 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-05-06  4:33                 ` Bob Newell
2021-05-05 14:52       ` Emanuel Berg via Users list for the GNU Emacs text editor

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