Note that the final line may fail. x = 0:0.01:1; y = (0:0.01:1)+rand (1,101); labs = 1:101; plot (x,y, 'o' ) labelpoints (x,y,labs, 'outliers_lin' , { 'sd', 1.5}) The other reason Adam's entry caught my attention was the amount of help and information he included in the entry. I prompt an AI into generating something; who created it: me, the AI, or the AI's author? Is Logistic Regression a classification or prediction model? How could a language make the loop-and-a-half less error-prone? %d means to print the value of ind assuming that ind is an integer. MATLAB draws a smoother graph . You can also select a web site from the following list. In such a case, to align the data values: You may receive emails, depending on your. Now all you need do is evaluate the functino at y==1000. Does a constant Radon-Nikodym derivative imply the measures are multiples of each other? [xout,yout] = intersections (t,y,t,y2,1); plot (t,y,'linewidth',2) set (gca,'xlim', [min (t) max (t)],'ylim', [-1.1 1.1]) hold on plot (t,y2,'g','linewidth',2) plot (xout,yout,'r.','markersize',18) I should note that there are other detectors of curve intersections on the File Exchange. Select the China site (in Chinese or English) for best site performance. 1 I have the following plot and a file of the data which creates that plot. rev2023.6.29.43520. You would need to do the same calculation for each curve. Use cubic splines to get a first idea of what the intersects are and how they behave, but always come back and revisit your analysis once the real model becomes more clear. Choose a web site to get translated content where available and see local events and offers. What was the symbol used for 'one thousand' in Ancient Rome? Thanks for contributing an answer to Stack Overflow! Select the China site (in Chinese or English) for best site performance. For example, heres a plot containing three lines. How to get point of a figure (using callbacks in GUI) when the point is inside a region that previously has been "patched"? Making statements based on opinion; back them up with references or personal experience. Australia to west & east coast US: which order is better? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. To learn more, see our tips on writing great answers. Whlen Sie fr die bestmgliche Website-Leistung die Website fr China (auf Chinesisch oder Englisch). By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Like in sample pictures, I want to get values of A, B, C. in form of e.g A= (430,0.56). Adding Title, Labels, Grid Lines and Scaling on the Graph. Find centralized, trusted content and collaborate around the technologies you use most. How to describe a scene that a small creature chop a large creature's head off? Matlab: Extract values that I plot but which has not been stored. intersections makes finding the intersection points very easy. Is it legal to bill a company that made contact for a business proposal, then withdrew based on their policies that existed when they made contact? Not the answer you're looking for? why does music become less harmonic if we transpose it down to the extreme low end of the piano? Asking for help, clarification, or responding to other answers. You can also select a web site from the following list. matlab - to find maximum point from the graph/plot - Stack Overflow to find maximum point from the graph/plot Ask Question Asked 8 years ago Modified 8 years ago Viewed 268 times 0 a= [1 2 13 20 10 20 12 1 13 14] b= [1:10:100] 585), Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Finding the first, second and third maxima in the plot, maximum points detection in a multiple plot MATLAB, MATLAB finding local maximum in certain range, Novel about a man who moves between timelines, Idiom for someone acting extremely out of character, Insert records of user Selected Object without knowing object first, Spaced paragraphs vs indented paragraphs in academic textbooks. I would like to have Matlab find the following points for me: Are there any add-on tools or packages which people are aware of which can help me accomplish this? Why don't you use the cursor to get the index of the points? [t,h]=ode23(@FunctieOpdracht10_2_1, [0 60], [4000 0]). (if I point the mouse on the figure I can drag it). Best to choose one that can be intelligently extrapolate. Reload the page to see its updated state. Find the treasures in MATLAB Central and discover how the community can help you! How Bloombergs engineers built a culture of knowledge sharing, Making computer science more humane at Carnegie Mellon (ep. As far as I know, there is no baked-in routine in Matlab to do what you desire; you'll have to make one yourself. https://jp.mathworks.com/matlabcentral/answers/1988423-how-to-fix-the-graph-in-app-designer, https://jp.mathworks.com/matlabcentral/answers/1988423-how-to-fix-the-graph-in-app-designer#answer_1262898, https://jp.mathworks.com/matlabcentral/answers/1988423-how-to-fix-the-graph-in-app-designer#comment_2796393, https://jp.mathworks.com/matlabcentral/answers/1988423-how-to-fix-the-graph-in-app-designer#comment_2796418, https://jp.mathworks.com/matlabcentral/answers/1988423-how-to-fix-the-graph-in-app-designer#comment_2797043. When you ask for help, you should not only describe your problem clearly (which you did), but also show what you've already tried so far. What is the status for EIGHT piece endgame tablebases? For the general cases, cubic splines is usually the best way to go. Make the figure containing the plot the current figure. You may receive emails, depending on your. Please see the below images for reference: hello..i asked the opposite I can move the graph by dragging it with the cursor..I don't want this I want a graph that stays fixed. Asking for help, clarification, or responding to other answers. But How can I set the value now? @Jonas, yes, I already used the cursor to find these points but this is not helpful if I have thousands of such data (204-by-2) and need to find point D for all the data. Note: On every execution of the code input values can be different. An easy way to do this is to click the figure to bring it to the foreground. How to inform a co-worker about a lacking technical skill without sounding condescending. What do gun control advocates mean when they say "Owning a gun makes you more likely to be a victim of a violent crime."? Is there and science or consensus or theory about whether a black or a white visor is better for cycling? The xlabel and ylabel commands generate labels along x-axis and y-axis. Line at y=0 can be define with xlim and yline0 = [0 0];. Choose a web site to get translated content where available and see local events and offers. Is Logistic Regression a classification or prediction model? Do native English speakers regard bawl as an easy word? Find the treasures in MATLAB Central and discover how the community can help you! rev2023.6.29.43520. How should I ask my new chair not to hire someone? If yes, can someone help me with the code, It would help to have the actual data. Then since you need ot find a value of x where y == 1000, you would either invert the function, perhaps using an analytical inverse if one exists, or using fzero. This is almost the same as my code written in an elegant way. That is not a problem if the curves are monotonically increasing or decreasing, however if that is not the situation, it would be necessary to find the index of a point close to the one you want to interpolate, and then select a few points on either side of that index to do the interpolation with. A,B,C are not the part of Plot. Sie knnen auch eine Website aus der folgenden Liste auswhlen: So erhalten Sie die bestmgliche Leistung auf der Website. I just wrote them in Photoshop help clarify the question. Below is my user-selected points. To make the graph static, we can use the following code: I understand that you want to be able to pan the graph i.e move the axes. Unable to complete the action because of changes made to the page. However, the position D for which i posted my code has not been addressed. How about this approach? In how many ways the letters of word 'PERSON' can be arranged in the following way. Do native English speakers regard bawl as an easy word? Can you please help me to plot of point and string on the figure. Da nderungen an der Seite vorgenommen wurden, kann diese Aktion nicht abgeschlossen werden. Unable to complete the action because of changes made to the page. https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph, https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph#answer_1974, https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph#comment_2400, https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph#comment_2632, https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph#comment_2636, https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph#comment_2638, https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph#comment_2643, https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph#comment_1971510, https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph#answer_1978, https://www.mathworks.com/matlabcentral/answers/1353-get-a-point-from-a-graph#comment_2634. You COULD approximate the curve with some function. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. I would like to extract data points from a plot. Well, that would be my next question; how you interpolate through the points strongly affects the desired oucomes. 2. Call thegcacommand to get the current axes within that figure. Assuming that, is either a constant or a line defined as a function of the same independent variable values as, If both lines are defined on different independent variable values, a separate intermediate interpolation to define them with respect to the same independent variable vector (using, https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections?requestedDomain=. You may receive emails, depending on your. Auf der Grundlage Ihres Standorts empfehlen wir Ihnen die folgende Auswahl: . If that is the case, the lines shown the plot are simply the linear interpolations between the actual data points. Not the answer you're looking for? In this case, i would like to get the value in the command window. The length of the input values (Graph Values) can also change every time. Sorry, I cannot attach the file. I have the following plot and a file of the data which creates that plot. - Rody Oldenhuis Also, my mistake, the interval of t is between 2 and 20, I did change this when using MATLAB but it did not display the correct answer.
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