Align Error In Latex
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Latex Error: Environment Align Undefined.
About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting paragraph ended before align was complete ads with us TeX - LaTeX Questions Tags Users Badges Unanswered Ask Question _ TeX - LaTeX Stack Exchange is a question and answer site for users of align latex TeX, LaTeX, ConTeXt, and related typesetting systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Latex align error? up vote 3 down vote favorite Why does the following code give me this
Latex Align Left
error?: "Extra } or forgotten \right)" I have been through it and cannot work out why. \begin{align} C(t,xxx,\tau,N,X)&=N\Phi\sum_{i=1}^{n}\left[-(1+X_{\tau_{i}})P(t,T_{i})\left(\frac{\ln\frac{P(t,T_{i-1})}{(1+X_{\tau_{i}}P(t,T_{i})}}{\Sigma(t,T_{i-1},T_{i})}-\frac{1}{2}\Sigma(t,T_{i-1},T_{i})\right)\\ &+P(t,T_{i-1})[\left(\frac{\ln\frac{P(t,T_{i-1})}{(1+X_{\tau_{i}})P(t,T_{i})}}{\Sigma(t,T_{i-1},T_{i})}-\frac{1}{2}\Sigma(t,T_{i-1},T_{i})\right)\right] \end{align} align share|improve this question edited Jul 26 '12 at 16:50 lockstep 160k38481642 asked Jul 25 '12 at 16:40 Mary migrated from stackoverflow.com Jul 26 '12 at 16:50 This question came from our site for professional and enthusiast programmers. Welcome to TeX.sx! Your question was migrated here from Stack Overflow. Please register on this site, too, and make sure that both accounts are associated with each other (by using the same OpenID), otherwise you won't be able to comment on or accept answers or edit your question. –Werner Jul 26 '12 at 17:25 add a comment| 1 Answer 1 active oldest votes up vote 5 down vote accepted First of all, you're missing a matching \right delimiter to one of your \left delimiters. Also, you cannot break \left and \right across lines inside align (or any math environment for that matter). You need to do this manual
here for a quick overview of the latex symbols site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us TeX - LaTeX Questions Tags Users Badges Unanswered http://tex.stackexchange.com/questions/64803/latex-align-error Ask Question _ TeX - LaTeX Stack Exchange is a question and answer site for users of TeX, LaTeX, ConTeXt, and related typesetting systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers http://tex.stackexchange.com/questions/131841/environment-align-undefined-line-11-all-i-can-see-to-do-is-to-retype-the-line-a are voted up and rise to the top Environment align undefined line 11, all I can see to do is to retype the line and it still isn't working up vote 6 down vote favorite \documentclass [12pt]{article} \oddsidemargin=0pt \topmargin=0pt \textwidth=6.5in \textheight=8.5in \begin{document} \begin{center} {\large\bf\LaTeX\ Example 8} \end{center} Sometimes we have to typeset a sequence of calculations: \begin{align} \sum_{r=1}^k\left( l(r)-l(r-1)\right) &= \sum_{r=1}^k\left(N-2r+1\right) \\ &= k(N+1)-2\sum_{r=1}^kr \\ &= k(N+1)-k(k+1) \\ &= k(N-k) \end{align} \begin{quote} \begin{verbatim} \begin{align} \sum_{r=1}^k\left( l(r)-l(r-1)\right) &= \sum_{r=1}^k\left(N-2r+1\right) \\ &= k(N+1)-2\sum_{r=1}^kr \\ &= k(N+1)-k(k+1) \\ &= k(N-k) \end{align} \end{verbatim} \end{quote} Here is another way: \begin{eqnarray*} \sum_{r=1}^k\left(l(r)-l(r-1)\right) &=& \sum_{r=1}^k\left(N-2r+1\right) \\ &=& k(N+1)-2\sum_{r=1}^kr \\ &=& k(N+1)-k(k+1) \\ &=& k(N-k) \end{eqnarray*} \begin{quote} \begin{verbatim} \begin{eqnarray*} \sum_{r=1}^k\left(l(r)-l(r-1)\right) &=& \sum_{r=1}^k\left(N-2r+1\right) \\ &=& k(N+1)-2\sum_{r=1}^kr \\ &=& k(N+1)-k(k+1) \\ &=& k(N-k) \end{eqnarray*} Observations: \begin{itemize} \item The eqnarray environment is a displayed array with three columns. It is aligned on the cente
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site http://tex.stackexchange.com/questions/121999/missing-when-using-beginalign About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us TeX - LaTeX Questions Tags Users Badges Unanswered Ask Question _ TeX - LaTeX Stack Exchange is a question and answer site for users of TeX, LaTeX, ConTeXt, and related typesetting systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can latex align ask a question Anybody can answer The best answers are voted up and rise to the top Missing } when using \begin{align*} up vote 1 down vote favorite I have scoured my code and tried it out without the alignment. There is nothing i can see wrong with the code, but when I try to use align or eqnarray, I always get some error message. Here's the code align error in \begin{align*} \oint_{|\zeta| &= \hat{R_2}} \frac{f(\zeta)}{\zeta - z} d\zeta \\ &= \oint \frac{f(\zeta)}{\zeta} \frac{1}{1 - \frac{z}{\zeta}} d\zeta\\ &= \oint \frac{f(\zeta)}{\zeta} \frac{1}{1 - \frac{z} {\zeta}} d\zeta \\ &= \oint \frac{f(\zeta)}{\zeta} \cdot \left( 1 + \frac{z}{\zeta} + \frac{z^2}{\zeta^2} + \cdots \right) d\zeta \\ &= \oint \frac{f(\zeta)}{\zeta} d\zeta + \oint \frac{f(\zeta)} {\zeta^2} z d\zeta + \oint \frac{f(\zeta)}{\zeta^3} z^2 d\zeta % \end{align*} And here's the error message: home/username/Dropbox/Math 132/.2013-07-01.tex.swp:105: Missing } inserted.