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Math Help - Subscripting for subscripts greater than 2

  1. #1
    Super Member Bernhard's Avatar
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    Subscripting for subscripts greater than 2

    In a recent post to MHF I tried to form the sum r_{2} c_{2} + r_{1} c_{1} only with the second set of subscripts equaling 7

    However Latex always returned an error for all integer subscipts greater than 2

    Can anyone please help

    Bernhard
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    Re: Subscripting for subscripts greater than 2

    Hello, Bernhard!

    In a recent post to MHF I tried to form the sum c_1 + c_2 with subscripts greater than 2.

    However Latex always returned an error.

    Can anyone please help?


    Using [tex], it will not support any expression longer than  c_1

    We can produce the terms separately: .[tex]c_5[/tex] . \Rightarrow\;\;c_5
    . . but this is very inefficient.


    I recommend using [tex] tags.

    [tex]c_1,c_2,c_3,c_4,\hdots[/tex] . \Rightarrow\;\;c_1,c_2,c_3,c_4,\hdots

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    Super Member Bernhard's Avatar
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    Re: Subscripting for subscripts greater than 2

    Hello Soroban,

    Thanks for your help - later I will try to learn how to use [tex] tags

    c_{5}
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    Super Member Bernhard's Avatar
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    Re: Subscripting for subscripts greater than 2

    Hello Soroban,

    Thanks for your help - later I will try to learn how to use [tex] tags

    r_{5} + C_{5}
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    Super Member Bernhard's Avatar
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    Re: Subscripting for subscripts greater than 2

    Hello Soroban,

    Thanks for your help - later I will try to learn how to use [tex] tags

    r_{8}
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    Re: Subscripting for subscripts greater than 2

    Hello, Bernhard!

    Thanks for your help - later I will try to learn how to use [tex] tags

    [tex]r_{8}[/tex] . r_8


    [tex]r_2[/tex] . r_2

    [tex]r_3[/tex] . r_3

    [tex]r_4[/tex] . r_4

    [tex]r_5[/tex] . r_5


    Interesting . . . [tex] doesn't like subscripts greater than 4.

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    Re: Subscripting for subscripts greater than 2

    Quote Originally Posted by Soroban View Post
    [tex]r_2[/tex] . r_2

    [tex]r_3[/tex] . r_3

    [tex]r_4[/tex] . r_4

    [tex]r_5[/tex] . r_5


    Interesting . . . [tex] doesn't like subscripts greater than 4.
    It's picky with subscripted letters too:

    [tex]r_n[/tex] . r_n

    [tex]r_k[/tex] . r_k

    [tex]r_w[/tex] . r_w

    My theory is that the [tex] compiler, in its present debilitated state, can only render formulae that it has at an earlier time (before its troubles started) stored in some library of previous requests.
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