Entering capital and small letters in La Tex

  • Thread starter Thread starter rb75
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Discussion Overview

The discussion revolves around issues related to displaying capital and small letters in LaTeX equations, specifically in the context of previewing these equations. Participants explore the behavior of LaTeX regarding variable representation in equations and seek solutions to display issues encountered in preview mode.

Discussion Character

  • Technical explanation
  • Debate/contested
  • Meta-discussion

Main Points Raised

  • One participant reports that entering a capital letter for a variable in one equation and a small letter in another results in LaTeX displaying the letters incorrectly in preview mode.
  • Another participant asserts that this is not how LaTeX functions, providing examples of equations that appear correctly.
  • A different participant shares their experience, indicating that their equations display correctly in both preview and posted formats.
  • One user requests confirmation on whether their equations display properly when using different delimiters (hash tags vs. dollar signs).
  • Another participant expresses uncertainty about the display issue and suggests that since others cannot reproduce the problem, a solution may not exist.
  • Some participants mention refreshing the page as a potential fix for preview issues.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the display issue, as some report correct behavior while others experience problems. Multiple competing views regarding the functionality of LaTeX and the nature of the display issues remain unresolved.

Contextual Notes

Participants express varying experiences with LaTeX display, indicating potential dependencies on operating systems, browsers, or user settings that are not fully explored.

rb75
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When writing equations in La Tex, if I a enter a capital letter to represent a variable in the first equation I write, if I use that same letter in small form when writing a different equation, after examining the equation in preview mode, La Tex by default always displays the small letter in the form of a capital letter and vice versa. Is there a way to prevent La tex from doing this when writing equations?
 
Physics news on Phys.org
This is not how LaTeX works …

$$
E = mc^2
$$

$$
-1 = e^{i\pi}
$$
 
That's not what I see. I get this (both in preview and as posted)*:

## X=\frac{A}{a} ##

## y=\frac{2A}{aX} ##

## z=xa^2 ##

* Win 10 & Chrome
 
Last edited:
I wrote the following equations:
The first was written using hash tag delimiters, and the second equation was written using dollar sign delimiters .
Could you please let me know if these equations have displayed properly in this post.

This equation was written using hash tags delimiters ##a = GM/d^2##
This equation was written using dollar sign delimiters $$d = 1/2gt^2$$
Thanks.
 
Screenshot:
1660154414977.png
 
@rb75 If what you see is different from the screenshot posted above by Orodruin, please post a screenshot of what you are seeing so that we can understand the issue better.
 
Thanks for the reply.
The equations seem to be displayed properly.

When I view the equations in the my preview mode, the second equation is displayed improperly, the small letter g in the scond equation is displayed improperly in the form of a capital letter. Do you know if there's any way this can fixed so that the equation displays properly when I view it in my Preview mode?
 
rb75 said:
Do you know if there's any way this can fixed so that the equation displays properly when I view it in my Preview mode?
Since nobody seems to be able to reproduce this, I'd guess nobody has a solution for it either.
 
@Wrichic Basu
Hi thanks for the help.
I would be glad to post you a screenshot Wrichic Basu, if you could please explain how I would do it. I'm new to PF and am very incompetent using the features in this editor. I've already been scolded once for copying and pasting text.
 
  • #10
I sometimes have issues with the preview, different from yours, I think. I can always fix mine by just refreshing the page.
 
  • #11
rb75 said:
I would be glad to post you a screenshot Wrichic Basu, if you could please explain how I would do it.
Are you on your phone? If so , which kind?

If you are on a computer, what operating system version is it? If it's Win-10, you can use Windows-Shift-S to put it in Snapshot mode and drag the rectangle with your mouse to capture that screenshot.
 

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