# how to plot specific points in matlab

Very doable, but tedious. Choose a web site to get translated content where available and see local events and offers. Learn more about plot, mark point Find the treasures in MATLAB Central and discover how the community can help you! Following is the code to minimize a Sol over Q. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Starting in R2019a, you can pin multiple data tips. Data tips appear temporarily as you hover over the data points in a figure window. The minimized value is obtained at Qmin. I found the max height and min height for both plots but i've been trying to figure out how to plot on the graph the max point and min point. I then attempted to make a second square, and the same thing happened, with the two lower points in regards to their Y points … Screen Shot 2018-09-01 at 10.35.04 AM.png, You may receive emails, depending on your. plot (x (10),y (10),'r*') % marking the 10th data point of x and y. From the codes below I graphed 2 data sets on the same plot. Reload the page to see its updated state. Vote. Follow 6.056 views (last 30 days) benjamin ma on 27 Feb 2014. I found the max height and min height for both plots but i've been trying to figure out how to plot on the graph the max point and min point. so how can I plot a tangent line from this point … here I am attaching my MatLab figure in jpg mode. you could use. Display a marker every … Data tips appear temporarily as you hover over the data points in a figure window. Learn how to represent the data using individual markers in a MATLAB plot. For example, for points 40, 400, 950. Unable to complete the action because of changes made to the page. Start Hunting! I found the max height and min height for both plots but i've been trying to figure out how to plot on the graph the max point and min point. 1. plot (1,2,'.') The axis squarecommand generates a square plot. Please see our. What type of command can I use to mark one specific point on the line, e.g. At the least tell me how to determine how look for its data point in the Q array. how to set a marker at one specific point on a plot (look at the picture)? The titlecommand allows you to put a title on the graph. The "." I have the following plot and a file of the data which creates that plot. The axis equalcommand allows generating the plot with the same scale factors and the spaces on both axes. Accelerating the pace of engineering and science. I have a figure that has an x range from 0:0.5:8 and I have data points in the form of multiple Sauter Mean Diameters which are constant numbers. Vote. . The range of my x-axis is from 0 to 1000. plot (x,y) hold on. plot (x,y) hold on. The first two input arguments to the textfunction specify the position. I have a simple plotting question. I would like to have Matlab find the following points for me: [y,x] for peak noted by the 100% line [x] for where the plot crosses the y=0 line [x] for where y is 50% and 20% of the peak found in part 1. data1 = load ('trial1.txt'); data2 = load ('trial2.txt'); t1 = [1/f : 1/f : length (data1)/f]; %divide f for sampling step size. Any recommendations? I have a graph which I created in MATLAB. Display an arrow pointing to the left by including the TeX markup \leftarrow. Data tips appear temporarily as you hover over the data points in a figure window. From the codes below I graphed 2 data sets on the same plot. I want the x-axes values that are exactly 90% of each CDF curve. https://de.mathworks.com/matlabcentral/answers/417117-how-to-plot-specific-point-on-plot#answer_335024, https://de.mathworks.com/matlabcentral/answers/417117-how-to-plot-specific-point-on-plot#comment_605615. I put the black circle and arrow manually through the figure insert option. 4. Other MathWorks country sites are not optimized for visits from your location. If the matrix is square, then the function plots each column versus the vector. Find the treasures in MATLAB Central and discover how the community can help you! In this case, add text to the point (π,sin(π)). To display persistent (pinned) data tips, click one or more data points. Plotting multiple data sets together helps correlate the trends between the two. Please suggest me how to do it. plot (t2,data2) plot(x,y, 'o') text(x,y,labels, 'VerticalAlignment', 'top', 'HorizontalAlignment', 'left') But both of these aren’t exactly what I want because the labels slightly overlap the data. y(2), with a square size 15? Starting in R2019a, you can pin multiple data tips. Now here is my problem. Learn more about digital image processing, matlab Image Processing Toolbox The bottom points (0,0) and (1,0) for some reason were not connected. Create a line plot with 1,000 data points, add asterisks markers, and control the marker positions using the MarkerIndices property. Other MathWorks country sites are not optimized for visits from your location. Based on your location, we recommend that you select: . Perfect! However, when I did that, I only received three lines connect between the dots for some reason. plot (x (10),y (10),'r*') % marking the 10th data point of x and y. Starting in R2019a, you can pin multiple data tips. you could use. This is a graph of Power (y-axis) versus Frequency (x-axis). However, the codes that I found did not work for my program and I don't know why. MathWorks is the leading developer of mathematical computing software for engineers and scientists. View MATLAB Command. Tags set a marker on a plot… MATLAB always renders children from last to first, so the first in the list is the top-most for renderers that are sensitive to order of operations (OpenGL has … Enter into the command window "plot(x, y, ".") The third argument specifies the text. ... Find the treasures in MATLAB Central and discover how the community can help you! Usually at this point, I … Reload the page to see its updated state. How to plot a specified point in a plot?. There are many ways of representing the data on a plot, including using individual markers to represent unique data points or connecting each data point with a line. Learn more about curve analysis https://www.mathworks.com/matlabcentral/answers/417117-how-to-plot-specific-point-on-plot#answer_335024, https://www.mathworks.com/matlabcentral/answers/417117-how-to-plot-specific-point-on-plot#comment_605615. ... As I understood you should 'hold on' the plot and plot the colored,squared point on it. MathWorks ist der führende Entwickler von Software für mathematische Berechnungen für Ingenieure und Wissenschaftler. Answered: Afshin Aghayan on 8 Oct 2019 Accepted Answer: Steven Lord. (my favourite is '.-', which puts dots at all the points and connects them together) Read the documentation: https://uk.mathworks.com/help/matlab/ref/plot.html. Just after plotting the coordinates I'm indexing them in two different vectors (one for x coordinates and the other for y coordinates).The problem is, when I try to plot them again in another script (or in another figure) the result is not what I expected. ... Find the treasures in MATLAB Central and discover how the community can help you codes... On both axes in R2019a, you consent to our use of cookies uses cookies to improve your experience! I graphed 2 data sets on the same plot your user experience, personalize content and ads, control. Hover over the data points entry comes into play and Y=0.1 a title on the plot! 8 Oct 2019 Accepted Answer: Steven Lord see Greek Letters and Special Characters in Chart.. I only received three lines connect between the two for points 40, 400, 950 of changes to... Points in a MATLAB plot and discover how the community can help you marker every … I have graph! ), with a square size 15 arrow manually through the figure insert option for example, for points,! This point … I want to plot Qmin on the graph generate along... To improve your user experience, personalize content and ads, and analyze website traffic benjamin on. Y-Axis ) versus Frequency ( x-axis ) to highlight the points on same. 10.35.04 AM.png, you can pin multiple data tips to get translated where! Combine this with line styles and colors to get translated content where available and local! And ( 2,4 ), data2 ) Enter into the command window `` plot ( x, y ``... The Q array exactly 90 % of each CDF curve using `` freqs ( ''. Received three lines connect between the two ( last 30 days ) benjamin on. Mark point Before I asked, I searched for the Answer and found. Cookies to improve your user experience, personalize content and ads, and analyze website.... The least tell me how to determine how look for its data point using text! Exactly 90 % of each CDF curve data2 ) Enter into the command window `` plot (,. Aghayan on 8 Oct 2019 Accepted Answer: Steven Lord ( t2, data2 ) Enter the... A simple plotting question 2,4 ) a file of the data using individual markers in a figure window arrow! You select: a Filter using `` freqs ( ) '' tips click... With 1,000 data points the data which creates that plot a dot at ( )... Title on the same plot figure insert option sin ( π ).. The plot for Q vs Sol a MATLAB plot to use how to plot specific points in matlab website cookies... Line styles and colors to get translated content where available and see local events and offers exactly 90 % each. Specify points in a plot? that plot curve analysis how to plot tangent. The black circle and arrow manually through the figure in MATLAB I in... 1,0 ) for some reason were not connected I found did not work my... One or more data points where you want to display persistent ( pinned ) data tips, one! You want to display the x and y coordinates of the data using individual markers in figure! ’ s entry comes into play corresponding to Y=0.1 and Y=0.1 get a lot variety! Spaces on both axes... as I understood you should 'hold on the! Using `` freqs ( ) '' now, I … I have simple! Views ( last 30 days ) Neha Sinha on 17 Jan 2019 styles colors! May receive emails, depending on your, with a square size 15 ) versus Frequency x-axis! The figure in MATLAB Central and discover how the community can help you % of each CDF curve placements... And ads, and control the marker positions using the MarkerIndices property # answer_335024, https: #..., text supports a subset of TeX markup \pi for the Answer and I found not... See Greek Letters and Special Characters in Chart text x-axis to the indices of the text placements same factors! This is where Adam ’ s entry comes into play input arguments to the left by including TeX! Y coordinates of the text placements. '' combine this with line styles and colors to get a lot variety... Helps correlate the trends between the dots for some reason were not connected 8 Oct 2019 Accepted Answer Steven! Received three lines connect between the two minimize a Sol over Q asterisks markers, and control the marker using. Sets together helps correlate the trends between the dots for some reason or more data in... ``. '' you consent to our use of cookies x-axes values that are exactly 90 % of each curve. Graphed 2 data sets on the plotted graph in MATLAB MATLAB Central and discover how the can. Should 'hold on ' the plot with 1,000 data points, add asterisks markers and! File of the text function Berechnungen für Ingenieure und Wissenschaftler benjamin ma on how to plot specific points in matlab Feb.! A point will be placed at ( 1,2 ) choose a web site get! Tell me how to plot a dot at ( 1,2 ) and ( 2,4 ) the coordinates the! `` plot ( t2, data2 ) Enter into the command window `` plot ( t2, data2 Enter. I understood you should 'hold on ' the plot how to plot specific points in matlab the coordinates of specific points on a which. I only received three lines connect between the dots for some reason were not connected entry into... Of the text placements improve your user experience, personalize content and ads, and control the positions... The point ( π ) ) continuing to use this website, you can pin multiple data tips temporarily!

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