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Math Help - latex test

  1. #1
    Site Founder MathGuru's Avatar
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    latex test

    x=7
    Last edited by MathGuru; June 17th 2010 at 01:27 PM.
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    \int_{-\infty}^{\infty}\frac{\cos ({x})}{({x^{2}+1})^{2}}=\frac{\pi}{e}
    Last edited by Chris L T521; June 17th 2010 at 09:14 PM.
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  3. #3
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    Hi everyone,

    Just testing how latex works in this new version!!

    x=55

    \int_{a}^{b}~x~\sin{x}~dx
    Last edited by Sudharaka; November 29th 2010 at 05:46 AM.
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  4. #4
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    Do we need math tags or do we use something else?

    y=mx+c

    $y=mx+c$

    \[y=mx+c\]
    Last edited by CaptainBlack; June 18th 2010 at 10:34 PM.
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  5. #5
    Rhymes with Orange Chris L T521's Avatar
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    \forall doesn't work

    \exists doesn't work

    \because works!

    \therefore works!

    \mathbb{R}, \mathbb{Q}, \mathbb{Z}, \mathbb{C} work mostly...

    It appears only a selected few commands work by themselves...but let's see if putting multiple commands in one tag works:

    \because\therefore doesn't work....

    \frac{a}{b} works

    Too bad LaTeX is dysfunctional...its essential to keep this forum running.. xD
    Last edited by MathGuru; June 18th 2010 at 10:26 AM.
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  6. #6
    Super Member Bacterius's Avatar
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    Quote Originally Posted by ChrisL T521
    Too bad LaTeX is dysfunctional...its essential to keep this forum running.. xD
    No LaTeX ? No math, eh ...

    Lemme try : \iiint_a^b 3 \sin{\left ( \frac{\log_3{(x)} + x}{3 \pi + \epsilon} \right )} + x \ dx

    I guess a triple definite integral involving two transcendental functions and a couple of greek letters is overkill xD
    Last edited by CaptainBlack; June 18th 2010 at 10:35 PM.
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  7. #7
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    Quote Originally Posted by Chris L T521 View Post

    Too bad LaTeX is dysfunctional...its essential to keep this forum running.. xD
    hmmm, mods any comment? Save us!
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  8. #8
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    Quote Originally Posted by pickslides View Post
    hmmm, mods any comment? Save us!
    Issues to do with the current functionality of MHF are Admin issues, they cannot be resolved by the Moderators. I am confident these issues will get resolved in the fullness of time. Until then, patience is the order of the day.
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  9. #9
    Site Founder MathGuru's Avatar
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    test
    \iiint_a^b 3 \sin{\left ( \frac{\log_3{(x)} + x}{3 \pi + \epsilon} \right )} + x \ dx
    test
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  10. #10
    Senior Member DeMath's Avatar
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    As a temporary solution to the problem with the formulas you can use the service from CodeCogs.com

    To do this, we write this link http://codecogs.com/gif.latex? after the link write LaTeX-code formula and all this inside the tags [img][/img]

    For example

    [img]http://codecogs.com/gif.latex?y''+\frac{2y'^2}{1-y}=0[/img]



    [IMG]http://codecogs.com/gif.latex?\left\{\!\begin{gathered}0=0\cdot{a}+0\c dot{b}+c,\hfill\\30=30^2a+30b+c,\hfill\\40=60^2a+6 0b+c;\hfill\\\end{gathered}\right.~\Leftrightarrow ~\left\{\!\begin{gathered}a=-1/90,\hfill\\b=4/3,\hfill\\c=0.\hfill\\\end{gathered}\right.[/IMG]



    Warning: Do not put any spaces and line breaks within the code formulas!
    Last edited by DeMath; June 18th 2010 at 10:40 AM.
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  11. #11
    Site Founder MathGuru's Avatar
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    Quote Originally Posted by Chris L T521 View Post
    \forall doesn't work

    \exists doesn't work

    \because works!

    \therefore works!

    \mathbb{R}, \mathbb{Q}, \mathbb{Z}, \mathbb{C} work mostly...

    It appears only a selected few commands work by themselves...but let's see if putting multiple commands in one tag works:

    \because\therefore doesn't work....

    \frac{a}{b} works

    Too bad LaTeX is dysfunctional...its essential to keep this forum running.. xD
    Looks like these are working now.
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  12. #12
    MHF Contributor undefined's Avatar
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    Quote Originally Posted by DeMath View Post
    As a temporary solution to the problem with the formulas you can use the service from CodeCogs.com

    To do this, we write this link http://codecogs.com/gif.latex? after the link write LaTeX-code formula and all this inside the tags [img][/img]
    That's a cool feature, didn't realise that was possible. I've been saving and uploading the images from that site as attachments, then posting the LaTeX code underneath. It's a bit tedious but has the advantage that if codecogs.com disappears, nothing needs to be changed.
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  13. #13
    Site Founder MathGuru's Avatar
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    Latex is working now.... including the double-click for source code.
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  14. #14
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by MathGuru View Post
    test
    \iiint_a^b 3 \sin{\left ( \frac{\log_3{(x)} + x}{3 \pi + \epsilon} \right )} + x \ dx
    test
    \displaystyle\oint_C f(x,y)dx+g(x,y)dy = \iint\limits_R\left(\frac{\partial g}{\partial x}-\frac{\partial f}{\partial y}\right)dA

    YAY!!! I works!!!

    Thanks for the quick fix, MathGuru!
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  15. #15
    Senior Member DeMath's Avatar
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    Quote Originally Posted by undefined View Post
    That's a cool feature, didn't realise that was possible. I've been saving and uploading the images from that site as attachments, then posting the LaTeX code underneath. It's a bit tedious but has the advantage that if codecogs.com disappears, nothing needs to be changed.
    In principle, the administration can add a special BBcode in the engine of forum:

    BBcode
    [math2]{TEXT}[/math2]

    HTML-code
    <img src=http://codecogs.com/gif.latex?{TEXT} title="{TEXT}" align=absmiddle>
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