# Indifference curve

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## Indifference curve

 Hello everyone I am new to R I need to plot 3 indifference curve for the level 100, 200 and 300 my utility function is of the form u(x,y)=3x^2+2y I also need to draw contour line on it can any one please tell me how to do it????         [[alternative HTML version deleted]] ______________________________________________ [hidden email] mailing list https://stat.ethz.ch/mailman/listinfo/r-helpPLEASE do read the posting guide http://www.R-project.org/posting-guide.htmland provide commented, minimal, self-contained, reproducible code.
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## Re: Indifference curve

 Hello, Is this it? u <- function(x, y) 3*x^2 + 2*y x <- seq(-10, 10, by=1) y <- seq(0, 150, by=1) a <- c(100, 200, 300) persp(x, y, outer(x, y, u), ticktype="detailed") contour(x, y, outer(x, y, u), levels=a) Hope this helps, Rui Barradas Em 28-06-2012 10:13, Akhil dua escreveu: > Hello everyone I am new to R > > I need to plot 3 indifference curve for the level 100, 200 and 300 > > my utility function is of the form u(x,y)=3x^2+2y > > I also need to draw contour line on it > > can any one please tell me how to do it???? > > [[alternative HTML version deleted]] > > ______________________________________________ > [hidden email] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html> and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ [hidden email] mailing list https://stat.ethz.ch/mailman/listinfo/r-helpPLEASE do read the posting guide http://www.R-project.org/posting-guide.htmland provide commented, minimal, self-contained, reproducible code.