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Topic: Matheology � 258
Replies: 53   Last Post: May 11, 2013 10:07 PM

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mueckenh@rz.fh-augsburg.de

Posts: 14,704
Registered: 1/29/05
Re: Matheology § 258
Posted: May 9, 2013 4:45 AM
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On 8 Mai, 23:21, Virgil <vir...@ligriv.com> wrote:
> In article

> > If for every sequence (x_n) with limit x_0 the limit of the sequence
> > of difference quotients
> > (f(x_n) - f(x_0))/(x_n - x_0) exists and is the same in all cases,
> > then df/dx is defined at x_0.

>
> But that one sequence gives a limit does not guarantee that that
> sequence need give the same result as any other sequence.
>
> So unless one has some other guarantee of differentiability at the point
> in question, finding a supposed derivative or slope by a sequence is not
> guaranteed to work right.


That's why I said "for every" sequence.

You seem nearly as uninformed and unskilled as Bader.

Regards, WM


Date Subject Author
5/6/13
Read Re: Matheology � 258
Virgil
5/10/13
Read Re: Matheology � 258
DRMARJOHN
5/6/13
Read Re: Matheology § 258
dan.ms.chaos@gmail.com
5/7/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/7/13
Read Re: Matheology � 258
Virgil
5/7/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/7/13
Read Re: Matheology � 258
Virgil
5/7/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/7/13
Read Re: Matheology § 258
Ralf Bader
5/7/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/7/13
Read Re: Matheology � 258
Virgil
5/7/13
Read Re: Matheology § 258
Ralf Bader
5/7/13
Read Re: Matheology § 258
Tanu R.
5/8/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/8/13
Read Re: Matheology § 258
YBM
5/8/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/8/13
Read Re: Matheology � 258
Virgil
5/8/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/8/13
Read Re: Matheology � 258
Virgil
5/8/13
Read Re: Matheology � 258
Ralf Bader
5/9/13
Read Re: Matheology 258
mueckenh@rz.fh-augsburg.de
5/9/13
Read Re: Matheology 258
Ralf Bader
5/9/13
Read Re: Matheology 258
Virgil
5/9/13
Read Re: Matheology 258
mueckenh@rz.fh-augsburg.de
5/9/13
Read Re: Matheology 258
Virgil
5/9/13
Read Re: Matheology 258
mueckenh@rz.fh-augsburg.de
5/9/13
Read Re: Matheology 258
Virgil
5/9/13
Read Re: Matheology 258
Ralf Bader
5/9/13
Read Re: Matheology 258
fom
5/11/13
Read Re: Matheology 258
ross.finlayson@gmail.com
5/11/13
Read Re: Matheology 258
Virgil
5/11/13
Read Re: Matheology 258
ross.finlayson@gmail.com
5/11/13
Read Re: Matheology 258
Virgil
5/9/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/9/13
Read Re: Matheology § 258
Roland Franzius
5/9/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/9/13
Read Re: Matheology � 258
Virgil
5/8/13
Read Re: Matheology � 258
Virgil
5/7/13
Read Re: Matheology � 258
Virgil
5/8/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/8/13
Read Re: Matheology � 258
Virgil
5/8/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/8/13
Read Re: WMytheology � 258
Virgil
5/8/13
Read Re: WMytheology § 258
mueckenh@rz.fh-augsburg.de
5/7/13
Read Re: Matheology § 258
rt servo
5/7/13
Read Re: Matheology � 258
Virgil
5/7/13
Read Re: Matheology § 258
gus gassmann
5/7/13
Read Re: Matheology � 258
Virgil
5/8/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/8/13
Read Re: Matheology � 258
Virgil
5/8/13
Read Re: Matheology § 258
mueckenh@rz.fh-augsburg.de
5/8/13
Read Re: Matheology � 258
Virgil

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