Introducing LaTeX Math Typesetting

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Discussion Overview

The discussion centers around the introduction of LaTeX mathematical typesetting on Physics Forums, focusing on its implementation, usage, and examples. Participants explore how to effectively use LaTeX for mathematical expressions and share examples of LaTeX code.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • Warren introduces LaTeX typesetting, explaining its markup style and how to include LaTeX graphics in posts.
  • Some participants share additional examples of LaTeX code, demonstrating various mathematical expressions.
  • Warren invites suggestions for LaTeX packages to include, expressing concern about performance impacts from too many packages.
  • One participant inquires about using the LaTeX generator for personal web pages, prompting a discussion about server load and intended use.
  • Another participant expresses enthusiasm for practicing LaTeX by writing equations related to particle interactions.
  • A question arises about formatting subscripts in LaTeX, specifically how to create multi-line subscripts.
  • Participants provide tips on learning LaTeX, including quoting existing code to see how it is written and encouraging practice.
  • Warren reminds participants that clicking on LaTeX images reveals the source code, which can aid in learning.

Areas of Agreement / Disagreement

Participants generally agree on the usefulness of LaTeX for typesetting mathematics, but there are differing views on its application for personal use outside the forum, with some cautioning against it due to resource concerns.

Contextual Notes

Some participants express uncertainty about specific LaTeX formatting techniques and the potential performance implications of adding more packages to the forum's LaTeX capabilities.

  • #451
a^x_n ...

Edit: You left spaces in your brackets.
 
Last edited by a moderator:
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  • #452
hey how come i can't get it to work ??
 
  • #453
extreme_machinations said:
hey how come i can't get it to work ??
See my edits of your posts.
 
  • #454
\int_{0}^{\frac{\pi}{2}} \log \cos \kappa d \kappa
 
  • #455
Just trying...

\int_{0}^{\frac{\pi}{2}} \log \cos \Omega \ d \Omega

f(x) = \sin x, \mbox{if} \ x \ \epsilon \ (0, \frac{\pi}{2})
 
Last edited:
  • #456
f(x) = \left {\begin{array}{cc}\sin x,&\mbox{if} \ x \epsilon \ [0, \frac{\pi}{2})\\ \cos x, & \mbox{if} \ x \epsilon \ [\frac{\pi}{2}, \pi)\end {array}\right
 
  • #457
F=GmM_e/r^2
 
  • #458
aaahhaa! now that more like it
hey thanks doc
 
  • #459
f(x)=sinx^2
 
  • #460
int_{0}^{1} sinlogx
 
  • #461
\int_{0}^{1} sin^2logcosx dx
 
  • #462
This is a test

<br /> \begin{array}{1|c|c|c|c|c|}<br /> \text{Fixed Point}&amp;\text{Jacobian}&amp;\text{Eigenvalues}&amp;\text{Eigenvectors}&amp;\text{type}\\<br /> \hline<br /> (0,0)&amp;<br /> \left(\begin{array}{cc}1.5 &amp; 0 \\ 0 &amp; 2 \end{array}\right)&amp;<br /> 2,1.5 &amp;<br /> \left(\begin{array}{ca}0 \\ 1 \end{array}\right)<br /> \left(\begin{array}{ca}1 \\ 0 \end{array}\right)&amp;<br /> \text{Source}\\<br /> \hline<br /> <br /> (0,2)&amp;<br /> \left(\begin{array}{cc}0.5 &amp; 0 \\ -1.5 &amp; -2 \end{array}\right)&amp;<br /> -2,0.5 &amp;<br /> \left(\begin{array}{ca}0 \\ 1 \end{array}\right)<br /> \left(\begin{array}{ca}0.86 \\ -0.51 \end{array}\right)&amp;<br /> \text{Saddle}\\<br /> \hline<br /> <br /> (1.5,0)&amp;<br /> \left(\begin{array}{cc}-1.5 &amp; -0.75 \\ 0 &amp; 0.88 \end{array}\right)&amp;<br /> -1.5,0.88 &amp;<br /> \left(\begin{array}{ca}1 \\ 0 \end{array}\right)<br /> \left(\begin{array}{ca}-0.3 \\ 0.95 \end{array}\right)&amp;<br /> \text{Saddle}\\<br /> \hline<br /> <br /> (4/5,7/5)&amp;<br /> \left(\begin{array}{cc}-0.8 &amp; -0.4 \\ -1.05 &amp; -1.4 \end{array}\right)&amp;<br /> -1.8,-0.38 &amp;<br /> \left(\begin{array}{ca}0.37 \\ 0.93 \end{array}\right)<br /> \left(\begin{array}{ca}0.69 \\ -0.72 \end{array}\right)&amp;<br /> \text{Sink}\\<br /> \hline<br /> <br /> \end{array}<br />

Slick!
 
  • #463
extreme_machinations said:
\int_{0}^{1} sin^2logcosx dx


Doesn't look good.This one does.

\int_{0}^{1} \sin^{2}x \ln\cos x \ dx


Daniel.
 
  • #464
please help, i cannot find the 'does not equal' latex equation
 
  • #466
a \neq b

this should work
 
  • #467
next question, can i download this for my computer, i have a paper due when i return to school, and it will be a vast help to be able to type the symbols.
 
  • #468
Do NOT pay attention to this! (Just the triangle problem)--Do Not pay attention to this!
 
  • #469
Do NOT pay attention to this! (Just the triangle problem)--Do Not pay attention to this!

A\left( t \right) = \frac{{\left\| {\left[ {\vec r_2 \left( t \right) - \vec r_1 \left( t \right)} \right] \times \left[ {\vec r_3 \left( t \right) - \vec r_2 \left( t \right)} \right]} \right\|}}{2}
-----------------
And the coordinate system based on parameter t by unit vectors:

\vec u\left( t \right) = \frac{{\vec r_1 \left( t \right) - \vec r_2 \left( t \right)}}{{\left\| {\vec r_1 \left( t \right) - \vec r_2 \left( t \right)} \right\|}} \\

\vec v\left( t \right) = \frac{{\left[ {\vec r_3 \left( t \right) - \vec r_1 \left( t \right)} \right]\left\| {\vec r_1 \left( t \right) - \vec r_2 \left( t \right)} \right\|^2 - \left[ {\vec r_1 \left( t \right) - \vec r_2 \left( t \right)} \right]\left\{ {\left[ {\vec r_1 \left( t \right) - \vec r_2 \left( t \right)} \right] \cdot \left[ {\vec r_1 \left( t \right) - \vec r_3 \left( t \right)} \right]} \right\}}}{{\left\| {\left[ {\vec r_3 \left( t \right) - \vec r_1 \left( t \right)} \right]\left\| {\vec r_1 \left( t \right) - \vec r_2 \left( t \right)} \right\|^2 - \left[ {\vec r_1 \left( t \right) - \vec r_2 \left( t \right)} \right]\left\{ {\left[ {\vec r_1 \left( t \right) - \vec r_2 \left( t \right)} \right] \cdot \left[ {\vec r_1 \left( t \right) - \vec r_3 \left( t \right)} \right]} \right\}} \right\|}} \\ <br /> \end{array}

Again----Do NOT pay attention to this!
 
Last edited:
  • #470
Hello everybody

Sorry if this has been discussed already, I couldn't find anything like it:
How can I create a statement like
<br /> \hat{\xi}(g_0) \longrightarrow \infty \ (g_0 \rightarrow g_0^*),<br />
but with the second limit written smaller and below the first arrow?

Thanks, Bruno
 
  • #471
\hat{\xi}\left(g_{0}\right)\substack{\displaystyle{\longrightarrow}\\g_{0}\rightarrow g_{0}^{*}} \infty

Daniel.
 
  • #472
Here's a little modification of dextercioby's suggestion.
\hat{\xi}\left(g_{0}\right) <br /> \underset{ g_{0}\rightarrow g_{0}^{*} <br /> }{<br /> \overrightarrow{\qquad\qquad} <br /> }\<br /> \infty
or
\hat{\xi}\left(g_{0}\right) <br /> \underset{ g_{0}\rightarrow g_{0}^{*} <br /> }{<br /> \overrightarrow{\qquad} <br /> }\<br /> \infty
 
  • #473
Thank you! That's exactly what I've looked for.
 
  • #474
B_z=B_0(1-aZ)
 
  • #475
B_r=B_0br_0
 
  • #476
\int_0^5 f(x) dx = \frac{125}{3}
where f(x) = x^2
 
Last edited:
  • #477
U can use "{}" or "\qquad" or simply "space \ space" to place a space between "f(x)" and "dx".

Daniel.
 
  • #478
\ln(ab) = \int_1^{a} \frac{1}{t} dt + \int_a^{ab} \frac{1}{t} dt
 
  • #479
s = 1/2(u+v)t
 
  • #480
s = u+v/2*t
 

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