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I have written a LaTeX math document with lyx (using document ams class), but now my teacher sent me some LaTeX code which should make the style as he wants it.

I tried a few options to insert the LaTeX code, none worked:

1) add (through lyx) the LaTeX code itself - This didn't work, since there were double definitions, both in the lyx default generated LaTeX code, and the LaTeX code I inserted.

2) through MiKTeX TeXworks- I exported my lyx document to LaTeX, and tried to change all the definitions before begin{document} to the ones my teacher sent me - This didn't compile, complained about missing definitions, xtra, xtra.

3) through bakoma - i tried opening my exported lyx code, and then inserting the code my teacher sent me at the beginning - This actually worked, but the bibliography and figure placement got ruined - the figures were put at the end, and the bibliography disappeared.

Anyone has any ideas ? What should be the right way to tackle my problem? Attached is the code my teacher sent me

%&latex

documentclass[11pt]{article}

usepackage{amssymb}

usepackage{amsfonts}

usepackage{amsmath}

usepackage{bm}

usepackage{latexsym}

usepackage{epsfig}

usepackage{hyperref}

%usepackage[normalem]{ulem} %usepackage[top=80pt,bottom=80pt, left=85pt, right=85pt]{geometry} %usepackage{setspace} %onehalfspacing



setlength{evensidemargin}{.25in} setlength{textwidth}{6in} setlength{topmargin}{-0.4in}

setlength{textheight}{8.5in}



newcommand{handout}[5]{

   renewcommand{thepage}{#1-arabic{page}}

   noindent

   begin{center}

   framebox{

      vbox{

    hbox to 5.78in {{sf Randomized Algorithms}

hfill sf #2 }

       vspace{4mm}

       hbox to 5.78in { {Large hfill #5  hfill} }

       vspace{2mm}

       hbox to 5.78in { {em #3 hfill #4} }

      }

   }

   end{center}

   vspace*{4mm}

}



newcommand{lecture}[4]{handout{#1}{#2}{Lecture date: #3}{Scribe: #4}{Lecture #1}}





textwidth=6in oddsidemargin=0.25in evensidemargin=0.25in topmargin=-0.1in footskip=0.8in

parindent=0.0cm

parskip=0.3cm

textheight=8.00in setcounter{tocdepth} {3} setcounter{secnumdepth} {2} sloppy





newtheorem{theorem}{Theorem}

newtheorem{lemma}[theorem]{Lemma}

newtheorem{claim}[theorem]{Claim}

newtheorem{proposition}[theorem]{Proposition}

newtheorem{corollary}[theorem]{Corollary}

newtheorem{fact}[theorem]{Fact}

newtheorem{definition}[theorem]{Definition}

newtheorem{remark}[theorem]{Remark}

newtheorem{conjecture}[theorem]{Conjecture}

newtheorem{question}[theorem]{Question}

newtheorem{answer}[theorem]{Answer}

%newtheorem{exercise}[theorem]{Exercise}

newtheorem{example}[theorem]{Example}

newtheorem{algorithm}[theorem]{Algorithm}

%newtheorem{exercise}[theorem]{Exercise}

newenvironment{exercise}{noindent textbf{Exercise}}{}%[theorem]{Exercise}

newenvironment{challenge}{noindent textbf{Challenge}}{}%[theorem]{Exercise}

newenvironment{kitbag}{noindent textbf{Kitbag Exercise}}{}

newenvironment{proof}{noindent textbf{Proof}}{$Box$}

newenvironment{proof-sketch}{noindent textbf{Sketch of Proof}}{$Box$}



newcommand{ignore}[1]{}



renewcommand{Pr}{{textup{Pr}}}

renewcommand{P}{{bf P}}

newcommand{Px}{mathop{bf P/}}

newcommand{E}{{bf E}}

newcommand{Ex}{mathop{bf E/}}



newcommand{Var}{{bf Var}}

newcommand{Cov}{{bf Cov}}

newcommand{Varx}{mathop{bf Var/}}



newcommand{bits}{{-1,1}}



newcommand{nsmaja}{textstyle{frac{2}{pi}} arcsin rho}



newcommand{Inf}{mathrm{Inf}}

newcommand{I}{mathrm{I}}

newcommand{J}{mathrm{J}}



newcommand{eps}{epsilon}

newcommand{lam}{lambda}

newcommand{N}{mathbb N}

newcommand{R}{mathbb R}

newcommand{Z}{mathbb Z}

newcommand{C}{mathbb C}

newcommand{CalE}{{mathcal{E}}}



newcommand{CalU}{{mathcal{U}}}

newcommand{F}{{mathcal{F}}}

newcommand{CalC}{{mathcal{C}}}

newcommand{CalM}{{mathcal{M}}}

newcommand{CalR}{{mathcal{R}}}

newcommand{CalS}{{mathcal{S}}}

newcommand{CalV}{{mathcal{V}}}

newcommand{CalX}{{boldsymbol{mathcal{X}}}}

newcommand{CalG}{{boldsymbol{mathcal{G}}}}

newcommand{CalY}{{boldsymbol{mathcal{Y}}}}

newcommand{CalZ}{{boldsymbol{mathcal{Z}}}}

newcommand{CalF}{{mathcal{Z}}}

newcommand{boldG}{{boldsymbol G}}

newcommand{boldQ}{{boldsymbol Q}}

newcommand{boldR}{{boldsymbol R}}

newcommand{boldS}{{boldsymbol S}}

newcommand{boldX}{{boldsymbol X}}

newcommand{bfX}{{boldsymbol X}}

newcommand{boldB}{{boldsymbol B}}

newcommand{boldY}{{boldsymbol Y}}

newcommand{boldZ}{{boldsymbol Z}}

newcommand{boldV}{{boldsymbol V}}

newcommand{boldsigma}{{boldsymbol sigma}}

newcommand{boldupsilon}{{boldsymbol upsilon}}

newcommand{hone}{{boldsymbol{H1}}}

newcommand{htwo}{boldsymbol{H2}}

newcommand{hthree}{boldsymbol{H3}}

newcommand{hfour}{boldsymbol{H4}}

newcommand{poly}{boldsymbol{poly}}





newcommand{sgn}{mathrm{sgn}}

newcommand{Maj}{mathrm{Maj}}

newcommand{Thr}{mathrm{Thr}}

newcommand{littlesum}{{textstyle sum}}



newcommand{half}{{textstyle frac12}}



newcommand{Stab}{mathbb{S}}

newcommand{StabThr}[2]{Gamma_{#1}(#2)}

newcommand{TestFcn}{Psi}



renewcommand{phi}{varphi}

def la      {langle}

def ra      {rangle}



newcommand{x}{mathbf{x}}

renewcommand{o}{mbox{o}}

renewcommand{O}{mbox{O}}

newcommand{h}{mathbf{H}}

newcommand{va}{mbox{var}}

renewcommand{d}{mbox{d}}

renewcommand{C}{mathcal C}

newcommand{qed}{hfill $square$}

begin{document}



lecture{10}{Moni Naor}{Jan 2, 2011}{Itay Gonshorovitz}







end{document}

There's an issue with the Latex file you give: page layout parameters are duplicated, with some, such as topmargin being defined in two different ways.

I've imported this into Lyx without too much bother. Instructions:

1. Cut and paste an excerpt from the above snippet into the Latex preamble from the DocumentSettings panel, starting from the line newcommand{handout}[5]{ and ending before begin{document}.


2. On the Fonts tag of the settings panel, set the Base Size to 11pt.


3. Insert a Tex code block into the document, and paste the body of the Latex file (i.e., inside the begin-end-document environment).

This will then compile.

An issue with this: Lyx will automatically import AMS packages and some others that it knows of, if it sees that you need them, but as I have it, it won't import the other packages defined in the Latex file you gave us. You can paste in the needed usepackage lines if you need them, but if you use Lyx for writing, you probably will not need these.

Have a look into one of the predefined LyX laout files, they all are saved in a directory named layouts and have the file extensions .layout. In LInux they are saved under /usr/share/lyx/. I don't know what directory it is under Windows. Look for the file slides.layout how such a file has to be defined.

However, it is much more simpler to use directly pdflatex instead of running LyX with creating an own layout file ...

I had a look through you code and with all those definition that your teacher wants you to use it seems a lot easier to write in code rather than lyx (I know this is not an direct answer to your question.)

However, in order to make this code work (with pdflatex) I came up with this

documentclass[11pt]{article}

usepackage{amssymb}

usepackage{amsfonts}

usepackage{amsmath}

usepackage{bm}

usepackage{latexsym}   



%usepackage{epsfig}

usepackage{graphicx}



usepackage[normalem]{ulem}



usepackage[

top=80pt,

bottom=80pt,

left=85pt,

right=85pt,

showframe %show the margin frame

]{geometry}

usepackage{setspace} onehalfspacing



%Better use the geometry package above

%to define your margins

%setlength{evensidemargin}{.25in} setlength{textwidth}{6in}

%setlength{topmargin}{-0.4in}

%setlength{textheight}{8.5in}



%hyperref should usually be loaded

%as the last package (few exemptions)

usepackage{hyperref}



newcommand{handout}[5]{

   renewcommand{thepage}{#1-arabic{page}}

   noindent

   begin{center}

   framebox{

      vbox{

    hbox to 5.78in {{sf Randomized Algorithms}

hfill sf #2 }

       vspace{4mm}

       hbox to 5.78in { {Large hfill #5  hfill} }

       vspace{2mm}

       hbox to 5.78in { {em #3 hfill #4} }

      }

   }

   end{center}

   vspace*{4mm}

}



newcommand{lecture}[4]{handout{#1}{#2}{Lecture date: #3}{Scribe:

#4}{Lecture #1}}



%Define the margins with the geometry package above!!!

%This is the second time the margins are defined

% textwidth=6in oddsidemargin=0.25in evensidemargin=0.25in    

%topmargin=-0.1in

% footskip=0.8in

% parindent=0.0cm



%Maybe use oparskip package

% parskip=0.3cm

% textheight=8.00in 



setcounter{tocdepth} {3}

setcounter{secnumdepth} {2}



%Sure you want to use sloppy??

% sloppy



begin{document}



 lecture{10}{Moni Naor}{Jan 2, 2011}{Itay Gonshorovitz}

tableofcontents

section{Some section}



end{document}

I noticed that the margins are multiply defined but I think using the geometry package is the right way to go here.

Also look up what the sloppy command does, I think your document will look better without it.

Without any layouts is not very complicated:

• Make a New Document


• Go to Document > Settings...
  
  
  
  
  • 
    Document class → Class options → Custom → 11 pt
  
  
  • 
    LaTeX Preamble→ Paste in the right empty window the code of your teacher, but (1) remove the two first lines (2) comment all the lines loading packages (%usepackage{...}) and (3) remove the last line with the document environment of last lines.
  
  
  
  


• 
  Apply > Close
  


• 
  Ctrl + L
  


• Paste in the ERT (evil red box): lecture{10}{Moni Naor}{Jan 2, 2011}{Itay Gonshorovitz}
  

Now is ready to use, but remember the commented packages because:

1. 
   

   To use some of your as R (to write ℝ) you have three options:

   
   
   
   
   
   1. Do not use the macro at all and write ℝ using Math Panels of LyX (recommended). This will load automatically the amssymb package to use the command mathbb{Z} that really write R. If you have alsousepackage{amssymb}` uncommented in the LateX Preamble, load the package twice will produce an error, but ...
   
   
   2. Write R in Math mode (Ctrl + MR). But note that this will not load amssymb automatically, so it could be that you must uncomment usepackage{amssymb} in the LateX Preamble (but only if it is not loaded automatically due to another command managed directly by LyX!)
   
   
   3. Write $R$ in a ERT (Ctrl + L$R$). This will not load amssymb either.
   
   
   
   

Also take care of do not play with Lyx menus that can change document setting as margins, since this can cause a conflict with the pasted preamble.

Considering this, personally I prefer edit LaTeX code directly, specially if the alternative will be have a a lot of macros in math mode or in ERT boxes.