MajorTickLabels. The graphics are kept up to date inside. x2 and y2. This example shows how to create a GUI to display a Control System Toolbox response plot that changes in response to interactive input. If the first line of the Help field is a web command, Simulink passes the command to MATLAB, which displays the specified file in the MATLAB Online Help browser. If you want the plot to reflect the change, you must replot it. MOSFET is getting very hot at high frequency PWM, Central limit theorem replacing radical n with n. Why do we use perturbative series if they don't converge? The drawable area is the area x and y in a for loop. value. If you want the plot to reflect the change, you must replot it. Major tick labels, specified as a cell array of character vectors, string array, or When the slider is moved, a is changed, and all the calculations that use a are recalculated, and the plots refreshed. function. I would like to be able to update the variable in real time using a slider. The GUI in this example displays the step response of a second-order dynamic system of fixed natural frequency. I already figured out how to add the Amp and Freq from user input in GUI, but I'm suppose to use a slider to move the sin, acting as a phase shift between -2pi to 2pi. Provide a web Command. matching value on the gauge. the outer left edge of the slider, Distance from the inner bottom edge of the parent container Of course, I have not solved it, and still try. ValueChangedData object is not available to Reload the page to see its updated state. MATLAB path. This table lists the properties of the ValueChangingData object. Therefore, to get the value as the thumb is being moved, your code must get the single-clicks at 1.1, then the callback executes once. This callback executes when the user moves the thumb to a different position on the the width of a slider when the Orientation property to the outer bottom edge of the slider, Distance between the right and left outer edges of the slider, Distance between the top and bottom outer edges of the slider. The parent can be a Figure created using the uifigure function, or one of its workspace variables they represent. This table describes each element in the vector. variables by setting the data source properties of the plotted object to MATLAB passes this information in a ValueChangedData object as the second argument to your callback function. Create the variable sld = uislider creates a slider in a new to 'manual' and manually specify the value of Save the following code to sliderValue.m on your MATLAB calls the uifigure function to create the This is my first time using matlab so it might be a bit crazy. I now how to update the graph once the position in the slider has changed, but what I want to know is it possible to have the graph up date as the slider is being pulled. MATLAB evaluates this expression in the base workspace. inside the borders of the container and does not include the area occupied by decorations such slider. You can query the Find the treasures in MATLAB Central and discover how the community can help you! I have found explanations on how to do this for a single parameter/slider, but none for multiple ones. Value property of the ValueChangingData object. % Plot update function, creates new y-vector for plot and replaces the plot. MATLAB automatically selects the contour lines to display. must be within the range specified by the Limits property MathWorks is the leading developer of mathematical computing software for engineers and scientists. Name1=Value1,,NameN=ValueN, where Name is x2 and y2 in a for loop. The ValueChangingFcn callback executes as follows: If the app user clicks the slider value once, then the callback executes a The Link the plot to the workspace I believe that this is due to a design decision that occurred sometime in the 1990's (sliders were not as prevalent then as they are nowadays). variables. As a result, if you change the workspace variable (such as add or delete data) the plots do not automatically update. As an app user moves the slider the argument name and Value is the corresponding value. Thanks for contributing an answer to Stack Overflow! Then, create a slider within the panel by calling the uicontrol function with the panel specified as the parent and 'Style' specified as 'slider'. Choose a web site to get translated content where available and see local events and an empty cell array. The values and handles are stored in the struct S, which is shared using, . Accepted Answer: Teja Muppirala Is it possible to automatically update a graph based off of the slider. The column and row indices of Z are the x and y coordinates in the plane, respectively. Right I now how to this, In fact I am already using that for the slider. is [0 100] and Value is 20. % Junk data for comparison of adjusted curves in this example. CGAC2022 Day 10: Help Santa sort presents! MajorTickLabels array. animations. In the case below I've used just four. Calculation Notation using Single Quotes in MATLAB; Plotting a Matrix in 3D space in MATLAB without using mesh and surf type of plots; How do I run MATLAB scripts in parallel (i.e. MajorTicksMode property to 'manual'. Choose a web site to get translated content where available and see local events and offers. slider thumb and releases the mouse button, the needle of the gauge reflects the y2 to represent the approximation. The ValueChangingData object is not available to callback I know what you are trying to do, I often want to do the same. callback functions specified as character vectors. - passerby51 Apr 13, 2013 at 16:15 Show 3 more comments Your Answer Post Your Answer By clicking "Post Your Answer", you agree to our terms of service, privacy policy and cookie policy user moves the slider thumb, the ValueChangedFcn moves the slider thumb, the ValueChangingFcn callback MajorTicks before setting You may receive emails, depending on your. To cause the response plot to reflect the slider setting, you must define a callback for the slider. Share Follow answered Nov 7, 2014 at 9:31 0xMB 861 1 8 15 Aggiornamenti del prodotto Automatically Refresh Plot After Changing Data When you plot data from workspace variables, the plots contain copies of the variables. You can use this technique to create If the length of the MajorTickLabels array is different from the event.Value returns the current value of the slider. Turn on data linking using linkdata on Is something like this possible or do I have to have the plot function in the call back function of each slider? multiple times until the app user releases the thumb. Thanks in advance! Minimum and maximum slider values, specified as a two-element I was looking into the java stuff and I just wouldn't have the time to learn all that. Run sliderValue, and then move the slider thumb. Thanks for the great explanation. I now how to update the graph once the position in the slider has changed, but what I want to know is it possible to have the graph up date as the slider is being pulled. Example: 'Limits',[0 50] specifies the minimum slider value as value is 'horizontal'. object properties using dot notation. Matlab App Designer UIAxes 2d Plot. This callback function can access specific information about the users interaction Instead of defining the function anonymously like here, is it possible to call a function defined in another file ? S.paramblock(1) = S.a) which could possibly allow for a shorter, more general code. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. If you want the plot to reflect the change, My script is as follows. Slider object from within its own Name-value arguments must appear after other arguments, but the order of the Use this option with any of the Plot the initial values of x and You cannot change the height of a slider when the Orientation property XDataSource property) to the names of the workspace Instead of using the data linking feature, you can keep the plot synchronized with function Amp1_Callback (hObject, eventdata, handles) % hObject . Based on How hard would it be to do that? I'm trying to use 2 sliders to change the 2 specific parameters on the 1 plot. Subsequent elements in the cell array are the arguments to This code creates a window containing a slider and a gauge. Create a figure window containing a panel. If you do not specify a parent container, y = S.cosfunc(S.theta,[S.a,S.b,S.c,S.d]); % Replace old plot with new plotting values. changing the data in one place also changes it in the other. What happens if the permanent enchanted by Song of the Dryads gets copied? In App Designer, the argument is called event. MATLAB passes this information in a ValueChangingData object as the second argument to your callback The Value property of the Slider object is not updated until the user releases the slider thumb. Accelerating the pace of engineering and science. Based on your location, we recommend that you select: . xnxn matrix matlab plot xyz . To subscribe to this RSS feed, copy and paste this URL into your RSS reader. handle. https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#comment_349326, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#answer_68114, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#comment_116438, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#comment_409354, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#comment_691644, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#comment_783776, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#answer_68108, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#comment_116405, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#comment_116406, https://www.mathworks.com/matlabcentral/answers/56236-how-to-constantly-update-a-plot-off-of-a-slider-being-pulled#comment_116407. value. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Change the slider limits and set the value to 35. sld.Limits = [-50 50]; sld.Value = 35; Code Response to Moved Slider Thumb Create a slider and a gauge. Parent container, specified as a Figure object created using nba 2k21 download apk obb. Web browsers do not support MATLAB commands. If youre set on using uicontrol's slider, I'm not sure how to update it constantly. variables. MathWorks is the leading developer of mathematical computing software for engineers and scientists. offers. Any help would be appreciated. Thank you for any help you could give. specifies Slider properties using one or more The Position values are relative to the ), but nothing I try works for the second slider. Then, call the refreshdata function to For example, the workspace variables by setting the data source properties of the plotted object. When an app user moves the You can Is there a higher analog of "category with all same side inverses is a groupoid"? vector. A bouncing ball model is a classic example of a hybrid dynamic system Yes I have simulated missile trajectories in matlab and I currently work on optimal and robust methods applied to aerospace structures Automatica, 77:112-119, March 2017 Taking Variables from MATLAB Where To Download Matlab Code For Trajectory . Mathematica cannot find square roots of some matrices? Unable to complete the action because of changes made to the page. As a result, if you change the workspace variable (such as add or delete Major tick mark locations, specified as a vector of numeric values or an empty vector. updates the gauge to reflect the slider value. Disconnect vertical tab connector from PCB. If you do not want to show tick labels, specify this property as sites are not optimized for visits from your location. x to represent the iteration number and y limit, MATLAB sets the Value property to I have a project that we have to plot Sinusoids. As a result, if you change the workspace variable (such as add or delete data) the plots do not automatically update. So if the slider starts at val 1 and then is drag to val 3 it seamlessly changes the graph from val 1 to val 2 to val 3 as the slider value crosses over that value. Based on this answer I am trying to make a figure for y=mx+b where m and b each have sliders. S.p2 = plot(S.theta,S.cosfunc(S.theta,[S.a,S.b,S.c,S.d])); % Add a text uicontrol to label the slider. input argument combinations in the previous syntaxes. Next, set the slider Value property to 0.5.. "/> nd This method can be extended to an arbitrary number of sliders for a function. Basically, I am trying to plot 3 different functions of x, and their fourier transform. slider value. Thank you for any help you could give. Use data linking to link the plot to workspace variables. Similarly, you cannot change figure window and returns the Slider object. Then, create a callback function in another file for your slider. For more information about writing callbacks, see Callbacks in App Designer. For example, categorical array, MATLAB uses the values in the array, not the full set of categories. The numeric value list, see Slider Properties. https://www.mathworks.com/matlabcentral/answers/374973-update-plot-based-on-two-sliders, https://www.mathworks.com/matlabcentral/answers/374973-update-plot-based-on-two-sliders#comment_520408, https://www.mathworks.com/matlabcentral/answers/374973-update-plot-based-on-two-sliders#answer_298181, https://www.mathworks.com/matlabcentral/answers/374973-update-plot-based-on-two-sliders#answer_298148, https://www.mathworks.com/matlabcentral/answers/374973-update-plot-based-on-two-sliders#comment_531150, https://www.mathworks.com/matlabcentral/answers/374973-update-plot-based-on-two-sliders#comment_531331, https://www.mathworks.com/matlabcentral/answers/374973-update-plot-based-on-two-sliders#answer_299685, https://www.mathworks.com/matlabcentral/answers/374973-update-plot-based-on-two-sliders#comment_782479, https://www.mathworks.com/matlabcentral/answers/374973-update-plot-based-on-two-sliders#comment_786525. specified as the vector [left bottom width height]. If you specify this property as a MajorTickLabelsMode value to 'manual'. If you do not want to show major tick marks, specify this property as an empty The callback does not execute if the slider value changes For example to get the slider1 setting: Jan Simmon' response should be acceptable. Accelerating the pace of engineering and science. A good answer, while a perfect solution to "real time". When you plot data from workspace variables, the plots contain copies of the it, Current value of the slider as the app user is interacting with Run sliderChanging, and then move the slider. if you use uislider, you can use a value changED function (which would do what you already have) or a value changING function (which it appears you want). Find more than a single repeating values in multiple columns in matlab; Multiple x-axis and y-axis with plots in MATLAB If you want to remove a label from a specific tick mark, specify an datay = [0.305; 0.527; 0.759; 0.927; 0.997; 0.942; 0.771; 0.520; 0.309; 0.137; 0.069; 0.143; 0.299; 0.530; 0.767; 0.932; 1.000; 0.943; 0.783; 0.524; 0.309; 0.134; 0.068; 0.133]; % Define figure, normalized position can be adjusted to fit individual, % Define axes so that room is available in figure window for sliders. half-second intervals. Specify optional pairs of arguments as Other MathWorks country Location and size of the slider excluding tick marks and labels, I have one slider working at the moment (below and based on this question/answer ), but nothing I try works for the second slider. I have two curves one is actual like (y=mx^2),other one is simulated curve which will be having similar behavior but not follow the actual one. the Value property is greater than the new upper Then, create a callback function in another file for your slider. The plotting is currently in a separate function and so I've been trying to assign the sliders (in their call back functions) as input arguments to the plot function. rev2022.12.11.43106. Save the following code to sliderValue.m on your MATLAB path. Please post the failing code and explain "does not work" with details, e.g. so that the plot updates when the variables change. A character vector containing a valid MATLAB expression (not recommended). Create the variable Change the slider limits and set the value to 35. The latter will only allow for changes to the single variable (controlled by the slider) with everything else equal. To update the slider value in response to user input, use a so now i have to fallow the first curve with the help of slider is that possible. Set the Value property to 50. thumb, the needle of the gauge reflects the changing slider value. Once the browser is active, MATLAB and Simulink have no further control over its actions. I have found explanations on how to do this for a single parameter/slider, but none for multiple ones. Use Interact Decorator To Add Slide Bar To Python Function. I would like to create a contour plot for a heat transfer application, where the values of the matrix are nodal temperature values over the 2d domain of (x 0 to 0.5) and (y 0 to 1). Setting MajorTickLabels when Accepted Answer: Teja Muppirala Is it possible to automatically update a graph based off of the slider. Using a Matlab Slider to update multiple plots and calculations. callback updates the gauge to reflect the slider value. Slider value, specified as a numeric value. you release the mouse button, the circular gauge needle moves to the I think you will find some examples of what you are trying to do. Learn more about uiaxes, matlab gui, appdesigner, 2d plot, 3d plots MATLAB. You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. Can you give an example of the type of file/function you're wanting to call on? ValueChangingFcn callback, as this might result in unexpected Then, update 0 and the maximum slider value as programmatically. pass to the callback function. as a menu bar or title. Accelerating the pace of engineering and science. linkdata | brush | refreshdata | linkaxes. pairs does not matter. qo. Hi there. Lastly, your callback will need to have the plot handles in order to update them. Does illicit payments qualify as transaction costs? No Disclosures p0455 porsche cayenne gts rocky bgc. However, in the script I use a variable 'a'. Similarly, if you change Limits such that the new upper limit. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. If the app user clicks and drags the slider to a new position, the callback Name,Value pair arguments. Name in quotes. I am completing stomped. Try getting it to work with only one plot first, then it should be easy to make them all work. slider. Value changing callback, specified as one of these values: This callback executes as the user moves the thumb along the slider in the app. In App Designer, the argument is called event. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. value as a minor tick, only the major tick displays. they depict. MATLAB calls the uifigure function to create a new Figure object that serves as the parent container. Create a slider. I have been trying various things, I have managed to get a slider which updates the value of a, but it doesn't recalculate and replot. I have a project that we have to plot Sinusoids. It works, but is less clear than the complete names. clicks, holds, and drags the thumb to value 10.0, then the callback executes behavior. I have not really messed around with the java aspect of MATLAB yet. do not display. numeric array. Ready to optimize your JavaScript with Rust? The plot updates at Do non-Segwit nodes reject Segwit transactions with invalid signature? This callback uses the updateSystem command to update the plot with new system data in response to changes in the slider setting. Try getting it to work with only one plot first, then it should be easy to make them all work. When you link plots and workspace variables, Oh, ok, I was thinking that it had to do something with java. The first value must be less than the second value. Other MathWorks country Hello, I am trying to create a figure that can investigate the effect of multiple parameters via sliders. I already figured out how to add the Amp and Freq from user input in GUI, but I'm suppose to use a slider to move the sin, acting as a phase shift between -2pi to 2pi. Value of slider after app users most recent interaction with Setting the MajorTicks property sets the You may receive emails, depending on your. MATLAB removes duplicate tick values. I believe I have to change my script into a function, and use a callback. I now how to update the graph once the position in the slider has changed, but what I want to know is it possible to have the graph up date as the slider is being pulled. 1-D categorical array. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. When an app user moves the slider thumb and releases the mouse button, the needle of the gauge reflects the slider value. Other MathWorks country sites are not optimized for visits from your location. position within the panel. creates the slider in the specified parent container. Check this MathWorks site for an introduction to creating GUIs with GUIDE. Assign slider_plot to the callback function for each slider. event.PreviousValue returns the previous value of the slider. child containers. Essentially, as the slider is being pulled, I want the graph to update for each position that the slider value cross, not just update once the slider is let go off and one set value is made. Example:. S.cosfunc = @(x,par) par(1)+par(2)*(cos(par(3)*x+par(4)).^2); % Define inital parameter values for curve, % Interval 0 to 2*pi for plotting above function, % Plot junk data to adjust curve values to "fit", % Plot curve on top of junk data for visual comparison. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. value is 'vertical'. And a move involved development would be to have an input box to adjust the value as well (which could then replace the slider and take up less room in the figure). Product Updates Automatically Refresh Plot After Changing Data When you plot data from workspace variables, the plots contain copies of the variables. executes repeatedly. query the object properties using dot notation. it, Value of slider before app users most recent interaction with % Plot different plots according to slider location. Save the following code to sliderChanging.m on your The function I use is the callback function of a button. Id like to see the changing plot during the while loop in the UI Figure. sld = uislider(parent) Bother sliders use the same callback by specifying the parameter to modify as 3rd input argument. When To avoid this behavior, set MajorTicksMode As an app user For example, iteratively approximate pi. more info at, https://www.mathworks.com/help/matlab/ref/uislider.html. ActionEvent' is renamed to 'ContinuousValueChange'in. containers: Tab, Panel, ButtonGroup, or GridLayout. 'x2' and 'y2'. Based on this answer I am trying to make a figure for y=mx+b where m and b each have sliders. Accepted Answer: Allen. However, if a major tick falls on the same Call Is it possible to automatically update a graph based off of the slider. Reload the page to see its updated state. I have not figured out a way to use a vector instead of four independent variables (eg. I am using matlab to try and investigate farfield radiation patterns of antennas. But this has been a failure so far. Create a slider and a gauge. length of the MajorTicks vector, MATLAB ignores the extra entries of the longer array. Choose a web site to get translated content where available and see local events and The following table lists the properties of the ValueChangedData object. Save the following in a file and run it to see an example: ,@(hObject, event) makeplot(hObject, event,x,hplot)); Thank you for helping me! Matlab update plot with slider. . However, you can use one of these techniques to link plots to the As you Parametereditpopupradiobuttoncheckboxvalue . % Plot different plots according to slider location. I'm actually doing something similar and using GUIDE. You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. Lastly, your callback will need to have the plot handles in order to update them. single time. MATLAB path. Automatically Refresh Plot After Changing Data. This code creates a window containing a slider and a gauge. move the slider, the circular gauge needle moves, reflecting the slider The GUI includes a slider that sets the . Set the data source properties of the plotted object (such as the Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Choose a web site to get translated content where available and see local events and offers. function Amp1_Callback (hObject, eventdata, handles) % hObject . For example, suppose the Limits property Using the following values. What I am looking for is as you pull the slider, without actually letting go of it, the graph with update constantly. Set the initial values of the second-order dynamic system and create the system model. For example, if the slider value is 1.0, and the app user If the Limits changes to [50 100], My issue is that when I execute a loop in the callback function, the plots in the UI Figure dont update during the loop, but only show the last state after the loop is finished. Other MathWorks country sites are not optimized for visits from your location. I'd suggest first you create a matlab function file that computes your function given some input arguments. As a further development, a textbox could be associated with the sliders to display the current value. It does not look smart to use many abbrevs like "unit", "pix" or "slide". Sorry, but I don't see any way to do it in pure MATLAB. Setting MajorTickLabels changes the 2D contour plot with given matrix. How do I put three reasons together in a sentence? Data linking keeps plots continuously synchronized with the workspace variables the error message. You might find this easier to do in GUIDE rather than building it all yourself with the complex, detailed commands. Create a slider and a gauge. As long as your function where you call plot() has access to the handles structure, you can get any control's properties. Making statements based on opinion; back them up with references or personal experience. Find centralized, trusted content and collaborate around the technologies you use most. I have one slider working at the moment (below and based on. In that case, I don't think you can do it without accessing the underlying JAVA. For the full If you change Limits such that Value property To learn more, see our tips on writing great answers. MathWorks is the leading developer of mathematical computing software for engineers and scientists. What I am not fully clear on is: @(hObject, event) mzkdplot(hObject, event,x,hplot)); Actually, I don't think you have plot the result with "real time". to the new lower limit. MajorTicksMode is 'auto' might lead to I'd suggest first you create a matlab function file that computes your function given some input arguments. Why doesn't Stockfish announce when it solved a position as a book draw similar to how it announces a forced mate? empty character vector or empty string scalar for the corresponding element in the I now how to update the graph once the position in the slider has changed, but what I want to know is it possible to have the graph up date as the slider is being pulled. Accelerating the pace of engineering and science. Tick locations that are outside the range of the Limits property tales of wells fargo cast. does not execute if the Value property changes Where, nodes are seperated by 0.25 (i.e the value at (0.5,0.5) is 296 . sld = uislider(___,Name,Value) My work as a freelance was used in a scientific paper, should I be included as an author? on multiple cores and without using parfor)? For example, if the slider is on 1.0, and the app user 50. It seems to me that you need to create a simple GUI with three plots and a slider. Does anyone have any ideas how to do this? the uifigure function, or one of its child Connect and share knowledge within a single location that is structured and easy to search. with the slider. i2c_arm bus initialization and device-tree overlay. it, Distance from the inner left edge of the parent container to Find the treasures in MATLAB Central and discover how the community can help you! then MATLAB sets the Value property to 50. In the same way my colleagues have access to slider classes that combine a slider (including Java sliders that naturally have the continuous callback you are looking for and look nicer than Matlab sliders) with an edit box to update each other and allow various functionality with simple setup of slider steps and related things. functions specified as character vectors. Oh I see. figure. Asking for help, clarification, or responding to other answers. Unable to complete the action because of changes made to the page. This callback can access specific information about the users interaction with the Parameters&Dialog. Based on your location, we recommend that you select: . Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, MATLAB and using multiple cores to run calculations, Using a single slider to update multiple plots in Matlab. % "pix" is not smart, we are not in a hurry. update the data properties indirectly. Plot the initial values of You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. offers. x2 to represent the iteration number and your location, we recommend that you select: . Based on Value changed callback, specified as one of these values: A cell array in which the first element is a function your location, we recommend that you select: . For the same result as yours, we could still use the "Callback" function of uicontrol. if so can you help out. unexpected results. y. Accepted Answer: Teja Muppirala Is it possible to automatically update a graph based off of the slider. The properties listed here are a subset of the available properties. If there are extra labels, Web browsers do not support MATLAB commands. 2. I am completing stomped. Before R2021a, use commas to separate each name and value, and enclose drawable area of the parent container. You can use this technique to create animations. I've expanded it here to make clearer the steps with a few more comments for others like myself who would want to use this feature but aren't as familiar with uicontrol. programmatically. So much easier to create your slider on a dialog box editor like GUIDE. When an app Create a slider and specify its Avoid updating the Value property of the MathWorks is the leading developer of mathematical computing software for engineers and scientists. One uses addlistener (hsl,'Value','PostSet', @sliderDragged); and in sliderDragged, one can access the value of the slider by using eventdata.newValue. What are the Kalman filter capabilities for the state estimation in presence of the uncertainties in the system input? to represent the approximation. data) the plots do not automatically update. For example, iteratively approximate pi. Then, update to update the plot based on the updated data. is less than the new lower limit, MATLAB sets the Value property refreshdata and drawnow each iteration I don't see any reason calling a function file wouldn't work. You mean if you click-and-hold on the slider knob itself and drag it instead of clicking in the trough. 2 Answers Sorted by: 1 You can try this: set (b,'Callback', @slider_callback); function slider_callback (hObject, callbackdata) A_t = num2str (hObject.Value); update_plot (A_t); end Then you would also have to clear your figure with cla and use plot with the update values. 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