How could I solve this following problem:

 'mathtools.sty' not found .\usepackage

I am using following packages:

 \usepackage{textcomp, amssymb} 

I am compiling my .tex code in kile.

  • Which TeX distribution do you use? – Mico Sep 28 '12 at 20:49
  • i do not understand what do you mean. what is tlmgr.There is ubuntu in my machine. how would install it there? – thetna Sep 28 '12 at 20:54
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    @thetna: If you type tex at a command prompt, you'll get a message string (e.g., This is TeX, Version 3.1415926 (TeX Live 2012)), and then a ** prompt. (Type "control-d" to exit from TeX's interactive mode.) Or, if you type latex at a command prompt, you might something like This is pdfTeX, Version 3.1415926-2.4-1.40.13 (TeX Live 2012), followed by a ** interactive prompt. Your system's TeX distribution is the part of the message string inside parentheses (in my case, "TeX Live 2012"). – Mico Sep 28 '12 at 21:24
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    This is TeX, Version 3.1415926 (TeX Live 2009/Debian). – thetna Sep 28 '12 at 21:37
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    let us continue this discussion in chat – thetna Sep 28 '12 at 21:51
sudo apt-get install texlive-latex3 

solved my problem.The reason behind this problem was, latex mathematical style file mathtools.sty was missing. When i installed texlive-latex3 those missing files were added. This is lighter than the full texlive.

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    This is very short for an answer. Can you more specific why this command resolves your problem. Perhaps a summary of the content of the chat? – Mensch Sep 28 '12 at 22:55

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