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Math Help - Latex help

  1. #1
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    Latex help

    I have read through the information on here but can't find a part that allows me to practice latex, could somebody please advise me

    Thanks

    David
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  2. #2
    MHF Contributor Amer's Avatar
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    Re: Latex help

    use [tex] to begin writing latex and [x/tex] to end the code for example without the x before /

    [tex]\int x^2 dx [x/tex] remove the x to get

    \int x^2 dx
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  3. #3
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    e^(i*pi)'s Avatar
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    Re: Latex help

    Quote Originally Posted by David Green View Post
    I have read through the information on here but can't find a part that allows me to practice latex, could somebody please advise me

    Thanks

    David
    You can use this topic to test any latex learnt from the stickies. It's how I learnt it

    From [tex]e^(2x+1)[/tex] to [tex]\sqrt{\dfrac{\sin^3 \theta -1}{\lambda}}[/tex]


    edit: @Amer - you can wrap tex in noparse tags (used as you do with normal tags) to prevent it rendering
    Thanks from sbhatnagar
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  4. #4
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    Re: Latex help

    [tex]e^(2x+1)[tex]\sqrt(\dfrac(\sin^3\theta-1)(\lambda))[\tex]

    I am still confused, please give me an example of how you would input a real maths example, such as;

    2/3 + 1/6 = ?

    1 / 3/4 = 7/4 + 3/8

    The second one above is 1 x 4 + 3 = 7/4, but written as 1/ 3/4

    This is why I need to learn this latex so forum members understand what I write?

    Thanks

    David
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  5. #5
    Behold, the power of SARDINES!
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    Re: Latex help

    Quote Originally Posted by David Green View Post
    [tex]e^(2x+1)[tex]\sqrt(\dfrac(\sin^3\theta-1)(\lambda))[\tex]

    I am still confused, please give me an example of how you would input a real maths example, such as;

    2/3 + 1/6 = ?

    1 / 3/4 = 7/4 + 3/8

    The second one above is 1 x 4 + 3 = 7/4, but written as 1/ 3/4

    This is why I need to learn this latex so forum members understand what I write?

    Thanks

    David
    Here is a wikipage with common math commands and examples

    Helpisplaying a formula - Wikipedia, the free encyclopedia

    \frac{1}{2} \frac{1}{2}

    So to write your first expression you would use

    \frac{2}{3}+\frac{1}{6}=

    \frac{2}{3}+\frac{1}{6}=
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  6. #6
    MHF Contributor Amer's Avatar
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    Re: Latex help

    use \frac{1}{2} with [tex] tags give \frac{1}{2}

    2 \times 3 give us 2 \times 3
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  7. #7
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    Re: Latex help

    = \frac23

    \frac23+\frac16 = \frac56

    Very slowly but I think now I am getting the understanding, and it looks a lot better too

    David
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  8. #8
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    Re: Latex help

    if you want to practice "on the sly" without anyone seeing your terrible misfortune, choose a topic such as this one, and click on the "Go Advanced" tab when you reply.

    there, you can click on "Preview Post" whilst you practice, and it will display what your miscreation will look like.
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  9. #9
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    Re: Latex help

    Quote Originally Posted by Deveno View Post
    if you want to practice "on the sly" without anyone seeing your terrible misfortune, choose a topic such as this one, and click on the "Go Advanced" tab when you reply.

    there, you can click on "Preview Post" whilst you practice, and it will display what your miscreation will look like.
    I have already found that out lol

    Just need to practice, practice and practice some more now
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  10. #10
    Member sbhatnagar's Avatar
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    Re: Latex help

    Quote Originally Posted by David Green View Post
    I have read through the information on here but can't find a part that allows me to practice latex, could somebody please advise me

    Thanks

    David
    You can pratice LaTeX here:Online LaTeX Equation Editor.

    Here's another way to write fractions:

    [HTML]{2 \over 3}[/HTML]

    gives:

    {2 \over 3}

    [HTML]{2 \over 3}+{1 \over 6} ={5 \over 6}[/HTML]

    gives :

    {2 \over 3}+{1 \over 6} ={5 \over 6}
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  11. #11
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    Re: Latex help

    Let:
    f(x)=\frac{1}{\sigma _{1}\sqrt{2\pi}} e^{-\frac{1}{2} (\frac{x-\mu _{1}}{\sigma _{1}}\, )^{2}}

    \phi (x)=\int_{-\infty }^{x} f(x)\, dx

    g(x)=\frac{1}{\sigma _{2}\sqrt{2\pi}} e^{-\frac{1}{2} (\frac{x-\mu _{2}}{\sigma _{2}}\, )^{2}}

    Find an expression or approximate expression of several terms for the following integral:

    Pr(\mu _{1}\, , \sigma _{1}\, ,\mu _{1}\, , \sigma _{2}\)=\int_{-\infty}^{\infty} \phi (x) g(x) \, dx
    Last edited by wzhuang; March 13th 2012 at 04:17 PM.
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