Hi,
Ah, okay, it’s inside Perl double quotes! Sorry, I did not catch that. In Perl,
“\” is the escape character, so you’ll need “\\” - an escaped backslash.
Apologies, I didn’t make the connection the first time around.
- Gerd.
> On Jan 13, 2017, at 11:05 AM, Harding, Gene L <glhar...@purdue.edu> wrote:
>
> Hi,
>
> I think the formatting may be different inside a function assignment. This is
> what I get when I use the following syntax:
> $function = "$numer/$denom [pi +
> \sum_{n=1}^{\infty}($sum_numer/($sum_denom_n_coeff n -
> $sum_denom_const))*sin($w nt)]";
> <image001.png>
> Did I mess up the syntax?
>
>
> Gene L. Harding, PE
> Associate Professor of ECET
> 574-520-4190
> Purdue University-South Bend
>
> -----Original Message-----
> From: lon-capa-users-boun...@mail.lon-capa.org
> [mailto:lon-capa-users-boun...@mail.lon-capa.org] On Behalf Of Gerd Kortemeyer
> Sent: Friday, January 13, 2017 10:39 AM
> To: Discussion list for LON-CAPA users <lon-capa-users@mail.lon-capa.org>
> Subject: Re: [LON-CAPA-users] Algebra Expression Rendering in LON-CAPA
>
> Hi,
>
> It’s \sum
>
> as in
>
> \sum_{n=1}^{\infty}
>
> - Gerd.
>
> > On Jan 13, 2017, at 10:29 AM, Harding, Gene L <glhar...@purdue.edu> wrote:
> >
> > Hi,
> >
> > I am having trouble rendering an algebraic expression with a summation sign
> > (capital Sigma). I want an expression that looks like this, using variables
> > for the numeric portions of the expression:
> > <image003.jpg>
> > I am able to render the integration sign using this code:
> > $function = "$numer/$denom [pi + int($sum_numer/($sum_denom_n_coeff n
> > - $sum_denom_const),1,3)*sin($w nt)]"; …providing an expression that looks
> > like this:
> > <image004.png>
> >
> > But when I try to render the summation sign using this code:
> > $function = "$numer/$denom [pi + sum($sum_numer/($sum_denom_n_coeff n
> > - $sum_denom_const),n,1,3)*sin($w nt)]"; …I get the following:
> > <image005.png>
> >
> > I have spent a couple of hours looking through the Maxima Manual and other
> > references, as well as some examples I have found online, but have not been
> > able to figure out the syntax for rendering the summation sign. Can anyone
> > offer advice on how to do this?
> >
> > Also, although not so important, if someone can tell me how to replace the
> > outer parentheses with square brackets, and/or how to display the numeric
> > part of the sine argument with commas (e.g., 90,000 vs 90000), I would
> > really appreciate it.
> >
> > Thanks,
> >
> > Gene L. Harding, PE
> > Associate Professor of ECET
> > 574-520-4190
> > Purdue University-South Bend
> >
> > _______________________________________________
> > LON-CAPA-users mailing list
> > LON-CAPA-users@mail.lon-capa.org
> > http://mail.lon-capa.org/mailman/listinfo/lon-capa-users
>
> --
> Gerd Kortemeyer, Ph.D.
> Associate Professor of Physics
> Director, LON-CAPA Project
> Michigan State University
> http://www.msu.edu/user/kortemey/
>
>
>
>
> _______________________________________________
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> LON-CAPA-users@mail.lon-capa.org
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> _______________________________________________
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> LON-CAPA-users@mail.lon-capa.org
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--
Gerd Kortemeyer, Ph.D.
Associate Professor of Physics
Director, LON-CAPA Project
Michigan State University
http://www.msu.edu/user/kortemey/
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