Log Plot Error Bars Matlab
Contents |
Support Answers MathWorks Search MathWorks.com MathWorks Answers Support MATLAB Answers™ MATLAB Central Community Home MATLAB Answers File Exchange Cody Blogs matlab errorbarlogx Newsreader Link Exchange ThingSpeak Anniversary Home Ask Answer Browse More
Errorbarlogy
Contributors Recent Activity Flagged Content Flagged as Spam Help MATLAB Central Community Home MATLAB Answers File Exchange errorbar matlab Cody Blogs Newsreader Link Exchange ThingSpeak Anniversary Home Ask Answer Browse More Contributors Recent Activity Flagged Content Flagged as Spam Help Trial software MathWorks Support Team (view horizontal error bars matlab profile) 13,642 questions 13,642 answers 13,641 accepted answers Reputation: 2,622 Vote0 How can I use the ERRORBAR function with a logarithmic axis in MATLAB? Asked by MathWorks Support Team MathWorks Support Team (view profile) 13,642 questions 13,642 answers 13,641 accepted answers Reputation: 2,622 on 27 Jun 2009 Latest activity Commented on by Ohad BarSimanTov Ohad
Errorbar Matlab Example
BarSimanTov (view profile) 0 questions 0 answers 0 accepted answers Reputation: 0 on 27 Jul 2016 Accepted Answer by MathWorks Support Team MathWorks Support Team (view profile) 13,642 questions 13,642 answers 13,641 accepted answers Reputation: 2,622 297 views (last 30 days) 297 views (last 30 days) When I type the following at the MATLAB prompt, I get a an errorbar with a log x axis:x = 1:100; y = sin(x); e = std(y)*ones(size(x)); errorbar(x,y,e) set(gca,'xscale','log') However, the errorbars of the first point in the resulting figure extend much farther than the other errorbars. I would like a function that can account for the logrithmic X-axis and make all of the errorbars have a uniform width. 1 Comment Show all comments Ohad BarSimanTov Ohad BarSimanTov (view profile) 0 questions 0 answers 0 accepted answers Reputation: 0 on 27 Jul 2016 Direct link to this comment: https://www.mathworks.com/matlabcentral/answers/99844#comment_381798 This is what I got after using others comments, here and stack overflow.errorbar(X,Y,E,'bo','linewidth',2) c=get(gca,'Children'); for i=1:length(c); set(c(i),'XData',get(c
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 us matlab errorbar width Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community standard error matlab Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Using
Matlab Set Axis Log
errorbar() with semilogy() in MATLAB? up vote 4 down vote favorite I'd like to plot data x & y with errorbars, ebar, and its fit, yfitted, on a semilog plot. This doesn't seem to work: figure; hold on; errorbar(x,y,ebar); semilogy(x,yfitted); Instead of semilog https://www.mathworks.com/matlabcentral/answers/99844-how-can-i-use-the-errorbar-function-with-a-logarithmic-axis-in-matlab plot I get a linear plot. What should I be doing differently? math matlab plot graphing share|improve this question asked Aug 23 '10 at 17:53 AndyL 6,387103466 add a comment| 2 Answers 2 active oldest votes up vote 5 down vote accepted try h = errorbar(x,y,ebar); set(get(h,'Parent'), 'YScale', 'log') or ax = axes(); errorbar(ax, x,y,ebar); set(ax, 'YScale', 'log'); share|improve this answer edited Aug 23 '10 at 18:15 answered Aug 23 '10 at 18:08 Marc 2,74421634 sort of works but it screws all of http://stackoverflow.com/questions/3550241/using-errorbar-with-semilogy-in-matlab the errorbars up.. e.g. it fails to draw some of the vertical lines –AndyL Aug 23 '10 at 20:47 2 As you probably realize, you can't take the log of 0 or a negative number –Marc Aug 23 '10 at 22:37 add a comment| up vote 3 down vote This is what the documentation says. "If you attempt to add a loglog, semilogx, or semilogy plot to a linear axis mode graph with hold on, the axis mode will remain as it is and the new data will plot as linear" I would suggest that you just reverse the order of your plotting, that is. semilogy(x,yfitted); hold on; errorbar(x,y,ebar); share|improve this answer answered Aug 23 '10 at 18:11 Ghaul 3,14111122 I had tried that first. It doesn't actually work. :/ –AndyL Aug 23 '10 at 20:50 I'm on MATLAB R2009a –AndyL Aug 23 '10 at 20:50 It should work. Are you writing >>figure; >>hold on; before using semilogy? If you do, it wont work. Just write the three lines in my post and you'll get the same result as the answer above. –Ghaul Aug 24 '10 at 7:33 I got this solution to work on 2010a, so +1, but it's more direct and generalizable to set axis properties directly than to worry about what matlab freezes with the hold command –Marc Aug 24 '10 at 15:40 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up usin
instant chat support from our awesome engineering team. plotly Pricing PLOTCON NYC API Sign In SIGN UP + NEW PROJECT UPGRADE REQUEST DEMO Feed Pricing Make a Chart API Sign https://plot.ly/matlab/error-bars/ In SIGN UP + NEW PROJECT UPGRADE REQUEST DEMO Show Sidebar Hide Sidebar Help API Libraries MATLAB Error Bars Fork on Github Navigation Back to MATLAB Error Bars in MATLAB How to add error bars to a line, scatter, or bar chart. Seven examples of symmetric, asymmetric, horizontal, and colored error bars. matplotlib Python plotly.js Pandas node.js MATLAB Symmetric Error Bars % Learn error bars about API authentication here: https://plot.ly/matlab/getting-started % Find your api_key here: https://plot.ly/settings/api x = 0:pi/10:pi; y = sin(x); e = std(y)*ones(size(x)); fig = figure errorbar(x,y,e) %--PLOTLY--% % Strip MATLAB style by default! response = fig2plotly(fig, 'filename', 'matlab-symmetric-error-bars'); plotly_url = response.url; Basic Symmetric Error Bars % Learn about API authentication here: https://plot.ly/matlab/getting-started % Find your api_key here: https://plot.ly/settings/api data = {... struct(... 'x', [0, 1, 2], error bars matlab ... 'y', [6, 10, 2], ... 'error_y', struct(... 'type', 'data', ... 'array', [1, 2, 3], ... 'visible', true), ... 'type', 'scatter')... }; response = plotly(data, struct('filename', 'basic-error-bar', 'fileopt', 'overwrite')); plot_url = response.url Bar Chart with Error Bars % Learn about API authentication here: https://plot.ly/matlab/getting-started % Find your api_key here: https://plot.ly/settings/api trace1 = struct(... 'x', { {'Trial 1', 'Trial 2', 'Trial 3'} }, ... 'y', [3, 6, 4], ... 'name', 'Control', ... 'error_y', struct(... 'type', 'data', ... 'array', [1, 0.5, 1.5], ... 'visible', true), ... 'type', 'bar'); trace2 = struct(... 'x', { {'Trial 1', 'Trial 2', 'Trial 3'} }, ... 'y', [4, 7, 3], ... 'name', 'Experimental', ... 'error_y', struct(... 'type', 'data', ... 'array', [0.5, 1, 2], ... 'visible', true), ... 'type', 'bar'); data = {trace1, trace2}; layout = struct('barmode', 'group'); response = plotly(data, struct('layout', layout, 'filename', 'error-bar-bar', 'fileopt', 'overwrite')); plot_url = response.url Error Bars on Scatter Plot % Learn about API authentication here: https://plot.ly/matlab/getting-started % Find your api_key here: https://plot.ly/settings/api dfs = [0 4.5000 9.0000 13.5000 18.0000 22.5000 27.0000 31.5000]; Dt = [4.1681 4.1719 3.8631 4.1915 3.2843 3.2850 3.2308 3.2795]; R = [6.2272 7.4491 8.4765 7.7533 9.3598 1