Quick LaTeX Tutorial

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Can you give me an example?

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Can you give me an example?

Yea shure

$\begin{array}{c|c} Name & Age\\ Row & 2 \end{array}$

Cheers,

Ryan Jones

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I'll sort that out; I think I probably know what the problem is.

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I'll sort that out; I think I probably know what the problem is.

OK, thanks Dave

Cheers,

Ryan Jones

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• 3 weeks later...

$\setlength{\unitlength}{1cm} \begin{picture}(6,5) \thicklines \put(1,0.5){\line(2,1){3}} \put(4,2){\line(-2,1){2}} \put(2,3){\line(-2,-5){1}} \put(0.7,0.3){A} \put(4.05,1.9){B} \put(1.7,2.95){C} \put(3,2.8){AB^2 = AC^2 + BC^2} \end{picture}$

Very interesting

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$A_\phi=\tfrac{2}{3}r^{-2} - \tfrac{1}{3}(2r^{-2}+2r^{-1}+1)e^{-r} - \tfrac{r}{3}(\int{r^{-1}e^{-r}}-\gamma)$ BABE, THANKS, NOW I'M COOOOOL WITH MY ROCK'N'ROLL ELECTRONS.

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That's $A_\phi= \tfrac{2}{3}$

And you can hit Preview Post to see how it will turn out.

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• 4 weeks later...

$x^2_1$

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• 5 months later...

$\sum_{n=1}^{\infty}\frac{(-1)^nn^3}{3^n}$

$\left|\frac{a_{n+1}}{a_n}\right|=\frac{(n+1)^3}{3^{n+1}}\frac{3^n}{n^3}=\frac{1}{3}{\frac{{n+1}^3}{{n}^3}}=\frac{1}{3}(1+\frac{n}n\right)^3$

How do I fix the abs. value and get ((n+1)/n)^3 instead of (n+1^3)/n?`

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How do I fix the abs. value?

Use \left and \right:

$\left|\frac{a_{n+1}}{a_n}\right|$

How do I get ((n+1)/n)^3 instead of (n+1^3)/n?

Same thing again, only use parens instead of the vertical bar as arguments of left and right:

$\left(\frac{n+1}n\right)^3$

Thanks D H

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• 1 month later...

$y = x^2 - 4x + 3$

$(y + \Delta y) = (x + \Delta x)^2 - 4(x + \Delta x) + 3$

$y + \Delta y = x^2 + 2x \Delta x + (\Delta x)^2 - 4x - 4\Delta x + 3$

$y + \Delta y = (x^2 - 4x + 3) + 2x\Delta x - 4\Delta x + (\Delta x)^2$

$\Delta y = 2x \Delta x - 4\Delta x + (\Delta x)^2$

$\frac {\Delta y}{\Delta x} = 2x - 4 + \Delta x$

$\frac {dy}{dx} = 2x - 4$

Just practicing differentiation...

$X^2 = \sum_{i=1}^{n}\frac {(O_i - E_i)^2}{E_i}$

a simple $X^2$ test equation.

Just some of my current course content, need to get to grips with Latex, before I start asking any math related questions.

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• 2 weeks later...

$\left[\left(\frac{\hbar c}{e^2}\right)^3 \left(\frac{\hbar c}{G^3}\right)^3 \left(\frac{\hbar re}{G^3}\right)^{1.111111....}\right] = \left(\pi\right)^3$

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• 5 months later...

$\sum _{i=1}^{\infty }A_{{i}}=5$

nice. i <3 maple's latex converter.

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• 1 month later...

$A^\mu _{\ ; \nu}=\frac{\partial A^\mu}{\partial x^\nu}+\Gamma^\mu_{\nu \lambda}A^\lambda \ \ \ A _{\mu ; \nu}=\frac{\partial A_\mu}{\partial x^\nu}-\Gamma^\lambda_{\mu \nu}A_\lambda$

Just goofin' around....

Very glad this forum has LaTeX.

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• 2 weeks later...

Just testing

$\frac{\partial F}{\partial X}$

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• 1 month later...

I'd like to know how to lay out matrices (4x4). . . . .OK I see how to get started on p. 2; sorry.

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• 3 weeks later...

Vector cross-product?

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Vector cross-product?

What are you asking? For a symbol that can be used for the cross-product? Try "\times".

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• 2 weeks later...

$\left( \Psi \left( x+1 \right) -\Psi \left( x-1 \right) \right) {x \choose 2}$

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Limits of evaluation: $I®\vline _1^R$. Larger, $\frac{F}{G}|_1^R$. Nope, how do we do "evaluated at"?

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$\forall n \in \mathbb{N} \backslash \left \{ 1 \right \} \exists p,q \in \mathbb{P} : 2n=p+q$

A random question, my course teaches use of LaTeX, how common is that? Have other people mostly had to teach themselves?

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$\forall n \in \mathbb{N} \backslash \left \{ 1 \right \} \exists p,q \in \mathbb{P} : 2n=p+q$

A random question, my course teaches use of LaTeX, how common is that? Have other people mostly had to teach themselves?

I learned it here.

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I learned it here.

You mean, writing equations with LaTeX ? Or writing documents with LaTeX ?

I learned to write documents with LaTeX by myself, I'm not an expert but I'm good enough to write articles with it, it's really much better than Microsoft Word. I use MiKTeX + TeXnicCenter.

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