Based on your location, we recommend that you select. Jun 28, 2012 how to delete specific entries based on a. Matrices are also indexed sequentially as numbers i. In my code, i will be deleting rows many hundreds of thousands of times. Delete row from matrix matlab answers matlab central. How to remove entries from an existing figure legend. Clearing legend in gui plot matlab answers matlab central. I found out that for the histograms it creates a handle h1 and 2 where 1 corresponds to the bar charts and 2 to the fitting lines. If you instead want to delete the legend from your gui rather than hide it. It can be run both under interactive sessions and as a batch job.
Remove legend entries from figure window matlab answers. The curve was easy to delete just selecting it with the cursor and pressing delete, but when i try to delete its legend, i. If the variable names are different, you can directly assign new rows in a table to rows from another table. The represented entry no longer exists in the data dictionary that defined it. Delete elements in a array matlab answers matlab central. Deleting legends from subplot matlab answers matlab central. I have a single figureplot that contains multiple plots commands not subplots just multiple data sets. I cant easily regenerate the legend from the command line because the real plot is complicated, but if there is a way to manually edit the legend command and delete. I am able to hide the axes and the data plot using cla but i. I am not able to rerun the legend command after all plots are drawn because the legend is generated within a function, and the additional lines are plotted at the command line. To change whether the specified file is permanently deleted or sent to the recycle bin, change the deleting files preference.
In some cases it is necessary to graph a single series in multiple steps. Ive been googling a lot and reading a lot of matlab help concearning this matter and just cant figure it out. In order to vertically concatenate two tables, both tables must have the same number of variables, with the same variable names. I need to be able to add the data to the current figure, see how it. I need to be able to add the data to the current figure, see how it looks, and clear it if doesnt fit my visual criteria. Fast way to delete the last n rows of a matrix matlab. Matlab i about the tutorial matlab is a programming language developed by mathworks. Learn more about delete entry in array, specific condition.
Ignoring extra legend entries learn more about error, legend, legend entries, legend entry, extra legend entry. How to use legend command matlab answers matlab central. It started out as a matrix programming language where linear algebra programming was simple. For example, you can display a dialog box to see if the user really wants to delete the figure or save and clean up before closing. Refresh legend from the command line matlab answers.
I dont know how you would want to do the area legend entries, so i. Instead plot 3 lines, and then in your legend, label just the first 2 lines. Delete files or objects matlab delete mathworks france. Im working on my first gui and i am having trouble getting the legend to clearhide when i hide a figure. Remove data elements of the legend from figure matlab answers. I used plottools in the command line to open up all the editing windows like plot browser, property editor, figure pallette. Append entries to a legend matlab central blogs get the. In matlab, you create a matrix by entering elements in each row as comma or space delimited numbers and using semicolons to mark the end of each row. In this example, the plot command specifies a solid, red line r for the. The only way i know to remove entries is very laborious.
Delete files or objects matlab delete mathworks australia. If you have ever done a lot of graphing in matlab you may have come across this problem. That 3rd line will be added to your legend as data 1. If you do graph a single series in multiple steps you will end up with multiple legend entries, but i found a way to get rid of them. His entries are wellwritten, and like this one, many of his entries have published example files. The figure closerequestfcn allows you to either delay or abort the closing of a figure once the close function has been issued. May 04, 2017 i cant easily regenerate the legend from the command line because the real plot is complicated, but if there is a way to manually edit the legend command and delete the data1 and data2 lines and labels, that would work. Let us plot the simple function y x for the range of values for x. Say i have 6 plots with 3 actual values and 3 interpolated curves. To plot the graph of a function, you need to take the following steps. The user supplies axis labels, legend entries and the plot coordinates for one or more plots and pgfplots applies axis scaling, computes any logarithms and axis ticks and draws. Matlab will execute the above statement and return the following result. If you instead want to delete the legend from your.
This tutorial gives you aggressively a gentle introduction of matlab programming language. Many of you may know that the command legend creates one legend per axes. Legend entries for contours matlab answers matlab central. This is an old question, but this works in matlab 2015a, delete the lines you want to remove from the legend, delete the legend, and then ctrlz to bring the legend back, and the legend should come back with only the legend entries removed. Do you know if there is a faster way to delete the last n rows of a matrix.
I am editing my figure graphically in the figure window, and id like to know how to remove legend entries. Remove fields from structure matlab rmfield mathworks. I am able to hide the axes and the data plot using cla but i cant figure out how to make the legend go away. May 20, 2011 this works, but it seems quite expensive. This way of using is discouraged, because the relation between plot elements. Lets say you plot 2 lines first, and then create a legend. For example, in the figure below i wouldve like to remove the last column but.
Thats strange and makes me feel that its a bug in matlab. Choose a web site to get translated content where available and see local events and offers. Entry objects representing the deleted entry to deleted. Specify multiple fields using a cell array of character vectors or a string array. The legend automatically updates when you add or delete data series from the axes. This tutorial show how to transport or move signals from simulink scope to the matlab graph where you can add title, x and y labels, legend and you dont get th. No part of this manual may be photocopied or repro duced in any form. You can delete rows and columns from a matrix using just a pair of square brackets. Delete files or objects matlab delete mathworks switzerland. The legend object automatically detects how many entries to place in the legend, one for each series of data that is. He has over 50 file exchange entries, and two of his entries have been highlighted unit converters and ccc in pick of the week. Ive been googling a lot and reading a lot of matlabhelp concearning this matter and just cant figure it out. Learn more about figure, graphics, legends, data, plot matlab.
Posted on october 8, 2009 updated on december 22, 2009. You have to do it indirectly, such as by reissuing the legend command with fewer entries, or by calling findobj, finding the entry you wish to delete, and then. The legend object automatically detects how many entries to place in the legend, one for each series of data that is graphed. Let us plot the simple function y x for the range of values for x from 0 to 100, with an increment of 5. May 17, 2017 ignoring extra legend entries learn more about error, legend, legend entries, legend entry, extra legend entry. The function sets the status properties of any simulink. How to omit legend entry matlab answers matlab central.
Define x, by specifying the range of values for the variable x, for which the function is to be plotted. Jul 07, 2015 find line handles related to legend entries. Remove specified figure matlab close mathworks benelux. I cant easily regenerate the legend from the command line because the real plot is complicated, but if there is a way to manually edit the legend command and delete the data1 and data2 lines and labels, that would work. Heres a quick sample of how it worked for my histograms i didnt want the two red lines to be labelled in the legend. However, i want to delete one of the curves and its legend. You can also enter the plot tools in the top menu of figure and do it without.
You may receive emails, depending on your notification preferences. May 12, 20 this is an old question, but this works in matlab 2015a, delete the lines you want to remove from the legend, delete the legend, and then ctrlz to bring the legend back, and the legend should come back with only the legend entries removed. This figure has 12 curves with its respective legend entries. Jacob moreland view profile this is an old question, but this works in matlab 2015a, delete the lines you want to remove from the legend, delete the legend, and then ctrlz to bring the legend back, and the legend should come back with only the legend entries removed. Delete data dictionary entry matlab mathworks india.
937 349 1437 85 1034 347 991 212 560 898 977 1255 517 925 888 1374 1040 1426 1023 448 993 879 864 1402 883 18 1129 1460 528 189 1307 23 739 1077 1054 1337 468 531 1224 1114 807 267 40