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Math Help - LaTex Tutorial

  1. #16
    MHF Contributor Quick's Avatar
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    Quote Originally Posted by Soroban View Post
    Hello, TriKri!


    Use \neq . \neq

    that's the way I do it, Hacker's way is to write [tex]\not =[/tex] if that helps you to remember
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  2. #17
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    4 \pi r^2
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  3. #18
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    Here are a few more LaTeX codes you may enjoy ... or not.


    \circlearrowleft . \circlearrowleft . . . \circlearrowright .  \qquad\circlearrowright

    \curvearrowleft . \curvearrowleft . . \curvearrowright . \curvearrowright

    \rightsquigarrow . \rightsquigarrow

    \bar{x} . \bar{x}

    \langle . \langle . . . . \rangle . \rangle

    \hdots . \hdots . . \cdots . . \cdots . . \ddots . \ddots

    \pmod{n} . \pmod{n}

    \boxed{x = 1} . \boxed{x = 1}

    9\choose3 . 9\choose3 . . . \binom{9}{3} . \binom{9}{3}

    \! . removes a space
    . . \sin^2x + \cos^2x produces: \sin^2x + \cos^2x
    . . . . . . . . . . . . . . . . . . . . . . . . . . \uparrow . . . . \uparrow
    I found that the extra spaces can be confusing.
    They can be removed with: \sin^2\!x + \cos\!x: . \sin^2\!x + \cos^2\!x

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  4. #19
    Senior Member TriKri's Avatar
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    Thanks! That can be useful. Can someone show me how to make a Pascals triangle with LaTex code? Creating a new row with \\ wont work if I'm not creating a matrix or something similar with surrounding things.
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  5. #20
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    Sorry, your Web browser is not Java compatible. This prototype will not be of much interest to you.



    Quote Originally Posted by TriKri View Post
    Thanks! That can be useful. Can someone show me how to make a Pascals triangle with LaTex code? Creating a new row with \\ wont work if I'm not creating a matrix or something similar with surrounding things.



    Type in: [draw]Point (100,80); Point (50,200); Point (150,200); Segment (1,2); Segment (1,3); Segment (2,3); Midpoint (4) [hidden]; Midpoint (5) [hidden]; Midpoint (6) [hidden]; Segment (7,8); Segment (7,9); Segment (8,9);[/draw] to get the picture at right.
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  6. #21
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    oops, you wanted Pascals triangle , I gave you sierpinski (however that's spelled)

    type in:
    [code]
    1
    1 1
    1 2 1
    1 3 3 1
    1 4 6 4 1
    1 5 10 10 5 1[/code]

    to get:
    Code:
              1
            1   1
          1   2   1
        1   3   3   1
      1   4   6   4   1
    1   5  10   10  5   1
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  7. #22
    Senior Member TriKri's Avatar
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    Ok thanks, doing it with code tags seems simple.
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  8. #23
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    Test

    x^2\sqrt{x}
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  9. #24
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    \frac{2x+7}{8x+4} how do i put a squaroot of a fraction?
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  10. #25
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    Quote Originally Posted by ^_^Engineer_Adam^_^ View Post
    \frac{2x+7}{8x+4} how do i put a squaroot of a fraction?
    Code:
    \sqrt{ \frac{2x+7}{8x+4} }
    To get,
    \sqrt{ \frac{2x+7}{8x+4} }
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  11. #26
    Senior Member TriKri's Avatar
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    How do you make a degree-sign? Like a \circ but higher up...
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  12. #27
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    Quote Originally Posted by TriKri View Post
    How do you make a degree-sign? Like a \circ but higher up...
    I think there is an actual LaTeX code for it, but I just do ^o (The "o" is just a lowercase letter o.)

    -Dan
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  13. #28
    Senior Member OReilly's Avatar
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    Quote Originally Posted by TriKri View Post
    How do you make a degree-sign? Like a \circ but higher up...
    20^\circ

    Just write <math> ^\circ <\math>
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  14. #29
    Senior Member TriKri's Avatar
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    Quote Originally Posted by OReilly View Post
    20^\circ

    Just write <math> ^\circ <\math>
    Smart! And what about an accordingly/therefore/consequently/thus sign? (what is the English name for it?) It is suposed to look like three points in a triangle.
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  15. #30
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    Quote Originally Posted by TriKri View Post
    Smart! And what about an accordingly/therefore/consequently/thus sign? (what is the English name for it?) It is suposed to look like three points in a triangle.
    I tried [tex]\therefore [\math] and [tex]\because [\math] which are actually LaTex code for those symbols but as you can see they don't work here.
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