How To Write Error Function In Latex
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Complementary Error Function
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Inverse Error Function
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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 How to type error function in LaTeX math environment [duplicate] up vote 13 down vote favorite 1 Possible Duplicate: Define additional math operators to be typeset in roman It may be a very simple question to people who know. If I square root latex want to type commonly used functions like exponential function exp(x) or sinusoidal function sin(x), I use \exp(x) and \sin(x) in LaTeX and the results looks nice (fonts become different from other non-function characters). However, when I type error function \erf(x), it gives me error messages. If I remove \, it compiles fine but the "erf(x)" fonts just look the same to other non-function characters. Could anyone please tell me how to make the error function fonts look like as exponential function in a math environment? Thanks very much. math-mode symbols share|improve this question edited Aug 17 '12 at 14:36 user2473 1,48821226 asked Aug 17 '12 at 14:31 shva 103127 marked as duplicate by Loop Space, yo', Seamus, barbara beeton, Werner Aug 17 '12 at 15:10 This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. Please take a look at the question I've just linked to. If it answers your question we'll close this as a duplicate of it to help others find the answer quickly. If not, please explain what doesn't work so
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 About Us Learn more about Stack Overflow the company Business Learn more about latex equation hiring developers or posting ads with us TeX - LaTeX Questions Tags Users Badges Unanswered Ask Question latex subscript _ TeX - LaTeX Stack Exchange is a question and answer site for users of TeX, LaTeX, ConTeXt, and related typesetting systems. Join them; latex math symbols 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 Epsilon and log functions up vote 2 down vote favorite I http://tex.stackexchange.com/questions/67575/how-to-type-error-function-in-latex-math-environment m trying this T(n) \epsilon \left(\Theta(n^\log_22$\right) = $\Theta(n^\log_22 )$ = $\Theta(n)$ but i want below result. Is E sign is epsilon only . And also log bracket not coming properly and space before aND AFTER EPSILON NOT CORRECT. Generally online it is given as \[ $A(n) \in \Theta(n^{\log_b a}) = \Theta(n^{\log_2 2} ) = \Theta(n)$ \] so i am asking what these [ ] brackets do. math-mode amsmath share|improve this question edited Apr 12 '15 at 6:46 asked Apr 12 '15 http://tex.stackexchange.com/questions/238179/epsilon-and-log-functions at 5:41 Arjun Chaudhary 194117 add a comment| 1 Answer 1 active oldest votes up vote 4 down vote accepted Don't use \epsilon for "element of"; instead, use the \in macro. You need to place curly braces around the material that's to be placed in the exponent positions. Don't switch in and out of math mode in one and the same equation. \documentclass{article} \begin{document} $A(n) \in \Theta(n^{\log_b a}) = \Theta(n^{\log_2 2} ) = \Theta(n)$ \end{document} share|improve this answer answered Apr 12 '15 at 6:12 Mico 176k17235533 Thank u very much switching off nad on in equation was giving 7 error. –Arjun Chaudhary Apr 12 '15 at 6:40 1 whats the use of [ ] placing equation between this –Arjun Chaudhary Apr 12 '15 at 6:41 @ArjunChaudhary - I'm afraid I don't understand what you mean by []. –Mico Apr 12 '15 at 6:43 [ $A(n) \in \Theta(n^{\log_b a}) = \Theta(n^{\log_2 2} ) = \Theta(n)$ ] writing like this –Arjun Chaudhary Apr 12 '15 at 6:43 3 @ArjunChaudhary - Now I get it. Use either $ ... $ for inline-style math material or \[ ... \] for display-style math material, but not both methods simultaneously. My answer used inline-style math mode. If you want to typeset the material as a displayed equation, replace the first $ symbol with \[ and the second $ symbol with \]. –Mico Apr 12 '15 at 6:50 | show 2 more
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 About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with http://stackoverflow.com/questions/29067916/r-error-function-erfz us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up R Error Function Erf(z) up vote 2 down vote favorite 1 This could be a quick one. I have not been able to find a function for the mathematical "error function" or the "inverse error function" in R. I have not error function seen a package either. I am aware I can script this but I thought someone MUST have made a package for its various approximations by now. Could be poor googling due to generic terms "error function". Thanks in advance.. r function statistics share|improve this question asked Mar 16 '15 at 0:25 deposition 3015 The pracma package has the erf function. –eipi10 Mar 16 '15 at 0:29 Re: search terms -- try "Gaussian error function", I think that brings up the how to write right thing. –Robert Dodier Mar 16 '15 at 16:55 add a comment| 1 Answer 1 active oldest votes up vote 6 down vote These are very closely related to pnorm() and qnorm(): see the last 4 lines of the example code in ?pnorm: ## if you want the so-called 'error function' erf <- function(x) 2 * pnorm(x * sqrt(2)) - 1 ## (see Abramowitz and Stegun 29.2.29) ## and the so-called 'complementary error function' erfc <- function(x) 2 * pnorm(x * sqrt(2), lower = FALSE) ## and the inverses erfinv <- function (x) qnorm((1 + x)/2)/sqrt(2) erfcinv <- function (x) qnorm(x/2, lower = FALSE)/sqrt(2) If you want to use complex-valued arguments, you need erfz from the pracma package (as commented above by @eipi10). Otherwise, it's not clear whether there's an advantage to using the versions in pracma (the implementations of pnorm() and qnorm() have been very thoroughly tested over a wide range of parameter values ...) As far as searching goes, library("sos") findFn("erf") seems to work pretty well ... share|improve this answer edited Mar 16 '15 at 0:52 answered Mar 16 '15 at 0:46 Ben Bolker 97.4k6137228 if this answers your question you're encouraged to click the check mark to accept it ... –Ben Bolker Sep 13 at 10:13 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a gu
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