[LON-CAPA-users] prime factorization
Justin Gray
lon-capa-users@mail.lon-capa.org
Wed, 19 Mar 2008 15:42:38 -0700
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Hi Peter,
I would be very interested to know if you find a way of tackling this type
of problem.
Many thanks,
Justin
On Wed, Mar 19, 2008 at 3:36 PM, Peter Riegler <
p.riegler@fh-wolfenbuettel.de> wrote:
> Hi Justen,
>
> although that won't help you immediately:
> In principle this is a simple problem using a computer algebra system
> (such as maxima in case of loncapa) if computer algebra systems were not
> carrying out numerical computations immediately and thus reverting any
> numerical factorization into a single number within giving the user any
> change to interfer.
> We have several problems of this type. Therefore I have currently a
> student working on this. It might end up in a special purpose maxima
> package. (Guy, forgive me if you are ever going to read this ...)
>
> Regards
>
> Peter
>
> Justin Gray wrote:
>
> > Does anyone know how to write a mathresponse problem with an answer
> > algorithm that will check whether an integer has been factored into
> primes?
> >
> > Justin
> >
> > --
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > Justin Gray Tel. 778-782-4237
> > Dept. of Mathematics Fax. 778-782-4947
> > Simon Fraser University
> > 8888 University Drive
> > Burnaby, B.C. V5A 1S6
> > Canada
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> --
> Peter Riegler
> Fachhochschule Braunschweig/Wolfenb=FCttel
> Salzdahlumer Str. 46/48, 38302 Wolfenb=FCttel
> Tel. +49 5331 939 6314, Fax. +49 5331 939 6002
> email: p.riegler@fh-wolfenbuettel.de
> http://public.rz.fh-wolfenbuettel.de/~riegler<http://public.rz.fh-wolfenb=
uettel.de/%7Eriegler>
> _______________________________________________
> LON-CAPA-users mailing list
> LON-CAPA-users@mail.lon-capa.org
> http://mail.lon-capa.org/mailman/listinfo/lon-capa-users
>
--=20
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Justin Gray Tel. 778-782-4237
Dept. of Mathematics Fax. 778-782-4947
Simon Fraser University
8888 University Drive
Burnaby, B.C. V5A 1S6
Canada
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Hi Peter,<br><br>I would be very interested to know if you find a way of ta=
ckling this type of problem.<br><br>Many thanks,<br>Justin<br><br><div clas=
s=3D"gmail_quote">On Wed, Mar 19, 2008 at 3:36 PM, Peter Riegler <<a hre=
f=3D"mailto:p.riegler@fh-wolfenbuettel.de">p.riegler@fh-wolfenbuettel.de</a=
>> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, =
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi Justen,<br>
<br>
although that won't help you immediately:<br>
In principle this is a simple problem using a computer algebra system<br>
(such as maxima in case of loncapa) if computer algebra systems were not<br=
>
carrying out numerical computations immediately and thus reverting any<br>
numerical factorization into a single number within giving the user any<br>
change to interfer.<br>
We have several problems of this type. Therefore I have currently a<br>
student working on this. It might end up in a special purpose maxima<br>
package. (Guy, forgive me if you are ever going to read this ...)<br>
<br>
Regards<br>
<br>
Peter<br>
<div><div></div><div class=3D"Wj3C7c"><br>
Justin Gray wrote:<br>
<br>
> Does anyone know how to write a mathresponse problem with an answer<br=
>
> algorithm that will check whether an integer has been factored into pr=
imes?<br>
><br>
> Justin<br>
><br>
> --<br>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
> Justin Gray Tel. 778-782-4237<br>
> Dept. of Mathematics Fax. 778-782-4947<br>
> Simon Fraser University<br>
> 8888 University Drive<br>
> Burnaby, B.C. V5A 1S6<br>
> Canada<br>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
<br>
</div></div><font color=3D"#888888">--<br>
Peter Riegler<br>
Fachhochschule Braunschweig/Wolfenb=FCttel<br>
Salzdahlumer Str. 46/48, 38302 Wolfenb=FCttel<br>
Tel. +49 5331 939 6314, Fax. +49 5331 939 6002<br>
email: <a href=3D"mailto:p.riegler@fh-wolfenbuettel.de">p.riegler@fh-wolfen=
buettel.de</a><br>
<a href=3D"http://public.rz.fh-wolfenbuettel.de/%7Eriegler" target=3D"_blan=
k">http://public.rz.fh-wolfenbuettel.de/~riegler</a><br>
</font><div><div></div><div class=3D"Wj3C7c">______________________________=
_________________<br>
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-capa.org</a><br>
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=3D"_blank">http://mail.lon-capa.org/mailman/listinfo/lon-capa-users</a><br=
>
</div></div></blockquote></div><br><br clear=3D"all"><br>-- <br>~~~~~~~~~~~=
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>Justin Gray Tel. 778-7=
82-4237<br>Dept. of Mathematics Fax. 778-782-4947<br>Simon Fraser Universit=
y<br>
8888 University Drive<br>Burnaby, B.C. V5A 1S6<br>Canada<br>~~~~~~~~~~~~~~~=
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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