Answered
Axis exponent missing when using exportgraphics to export figure in pdf vector format (or image)
This issue has been fixed in MATLAB R2024a Update 4. Get R2024a Update 4 ================================================= Th...
Axis exponent missing when using exportgraphics to export figure in pdf vector format (or image)
This issue has been fixed in MATLAB R2024a Update 4. Get R2024a Update 4 ================================================= Th...
1 year ago | 2
| accepted
Answered
How to save the figure generated by pcplayer
Get the figure handle from the player object produced by pcplayer. Use VideoWriter to create a VideoWriter object and use get...
How to save the figure generated by pcplayer
Get the figure handle from the player object produced by pcplayer. Use VideoWriter to create a VideoWriter object and use get...
1 year ago | 0
| accepted
Answered
How to report/flag a user or a ThingSpeak channel?
For the second link, you can report the users using the "report" flag at the top of their profile. The first users doesn't have...
How to report/flag a user or a ThingSpeak channel?
For the second link, you can report the users using the "report" flag at the top of their profile. The first users doesn't have...
1 year ago | 0
| accepted
Answered
Graphics fail when running live script after a long period of inactivity
Thanks for the information @Jorge. So that we can track this and investigate further, please contact tech support > Product Usa...
Graphics fail when running live script after a long period of inactivity
Thanks for the information @Jorge. So that we can track this and investigate further, please contact tech support > Product Usa...
1 year ago | 0
| accepted
Answered
plot a 2D circular intensity map
This demo assumes you have a vector of x-coordinates, a vector of y-coordinates, and a vector of intensity values. It uses grid...
plot a 2D circular intensity map
This demo assumes you have a vector of x-coordinates, a vector of y-coordinates, and a vector of intensity values. It uses grid...
1 year ago | 0
| accepted
Answered
how to read a grey scale image in call back function and display it as matrix?
If you need to convert the image to grayscale use rgb2gray or im2gray (thanks DGM). I'm not sure what you mean to display an im...
how to read a grey scale image in call back function and display it as matrix?
If you need to convert the image to grayscale use rgb2gray or im2gray (thanks DGM). I'm not sure what you mean to display an im...
1 year ago | 0
Answered
Change map coordinates to Latex Interpreter
The map axes you see is a psuedo-axes created from a patch with labels to appear as an axes. The actual axes is not visible. S...
Change map coordinates to Latex Interpreter
The map axes you see is a psuedo-axes created from a patch with labels to appear as an axes. The actual axes is not visible. S...
1 year ago | 1
Answered
Matlab Gui: Dragging lines on plot using mouse
If you have the Image Processing Toolbox, you can use multiple ROI lines that are draggable. By assigning a listener to the lin...
Matlab Gui: Dragging lines on plot using mouse
If you have the Image Processing Toolbox, you can use multiple ROI lines that are draggable. By assigning a listener to the lin...
1 year ago | 0
Answered
How to customise Polar Plots - Part 2
Thanks for sharing this, @Sam Hurrell. Something's fishy. Here's a workaround. You can set the axes' TitleHorizontalAlignm...
How to customise Polar Plots - Part 2
Thanks for sharing this, @Sam Hurrell. Something's fishy. Here's a workaround. You can set the axes' TitleHorizontalAlignm...
1 year ago | 0
| accepted
Discussion
How to leave feedback for documentation pages
How to leave feedback on a doc page Leaving feedback is a two-step process. At the bottom of most pages in the MATLAB document...
1 year ago | 7
Answered
issues about app design
> the edit area of the code view seems frozened, it only force me to edit within the area which marked with white background T...
issues about app design
> the edit area of the code view seems frozened, it only force me to edit within the area which marked with white background T...
2 years ago | 0
Answered
AppDesigner UIFigure WindowScrollWheelFcn disables datatips
> when I add a WindowScrollWheelFcn callback to the parent uifigure, I am no longer able to see datatips when hovering over poin...
AppDesigner UIFigure WindowScrollWheelFcn disables datatips
> when I add a WindowScrollWheelFcn callback to the parent uifigure, I am no longer able to see datatips when hovering over poin...
2 years ago | 0
| accepted
Published
Boost Your App Design Efficiency – Effortless Component Swapping & Labeling in App Designer
Guest Writer: Dinesh Kavalakuntla Dinesh is a Software Engineer on the MATLAB App Designer team at MathWorks. He began his...
2 years ago
Answered
extracting values from an image with color legend
One way to see the color value is to add the color data to the data tip. When you click on or hover over one of the points, you...
extracting values from an image with color legend
One way to see the color value is to add the color data to the data tip. When you click on or hover over one of the points, you...
2 years ago | 0
Answered
Counting number of elements less than value across 2d matrix
> I'd like to calculate the percent of values in part of the matrix -- i.e., from 401:440 and 1081:1360 -- where values are less...
Counting number of elements less than value across 2d matrix
> I'd like to calculate the percent of values in part of the matrix -- i.e., from 401:440 and 1081:1360 -- where values are less...
2 years ago | 1
| accepted
Answered
Stl file pdegplot in App designer
> pdegplot command does that but how can I use it in App Designer? pdegplot does not have an input argument or property to spec...
Stl file pdegplot in App designer
> pdegplot command does that but how can I use it in App Designer? pdegplot does not have an input argument or property to spec...
2 years ago | 1
| accepted
Answered
Add individual legends to plots in a tiledlayout
Only one legend can be assigned to an axes. This poses a problem if each axes has a legend and you want to add a global legend ...
Add individual legends to plots in a tiledlayout
Only one legend can be assigned to an axes. This poses a problem if each axes has a legend and you want to add a global legend ...
2 years ago | 1
| accepted
Answered
Refresh FFT plot when time signal is panned
linkaxes is often used to link axes limits between multiple axes but in this case, your axes have different units and different ...
Refresh FFT plot when time signal is panned
linkaxes is often used to link axes limits between multiple axes but in this case, your axes have different units and different ...
2 years ago | 0
Poll
Which color format are you least familiar or least comfortable with?
2 years ago | 2784 votes | 7 comments
Answered
Which characters are replaced by matlab.lang.makeValidName?
matlab.lang.makeValidName uses isvarname to determine if the string is a valid variable name. The doc page for isvarname state...
Which characters are replaced by matlab.lang.makeValidName?
matlab.lang.makeValidName uses isvarname to determine if the string is a valid variable name. The doc page for isvarname state...
2 years ago | 0
| accepted
Answered
shifting axis on both ends so graph does not have points on extreme end
In addition to axis padded which pads all axes limits, you could use ylim('padded') to only pad the y axis limits (same with xli...
shifting axis on both ends so graph does not have points on extreme end
In addition to axis padded which pads all axes limits, you could use ylim('padded') to only pad the y axis limits (same with xli...
2 years ago | 0
Answered
Is there a way to programmatically generate function signature jsons file?
> I was wondering if there was a way to generate signature jsons through MATLAB code No, MATLAB does not offer such a function....
Is there a way to programmatically generate function signature jsons file?
> I was wondering if there was a way to generate signature jsons through MATLAB code No, MATLAB does not offer such a function....
2 years ago | 1
| accepted
Answered
Programmatically close App Designer app after running it for a unit test
Original answer removed due to error. See discussion below. Summary of approaches (thanks to Steven Lord) use a addTeardown ...
Programmatically close App Designer app after running it for a unit test
Original answer removed due to error. See discussion below. Summary of approaches (thanks to Steven Lord) use a addTeardown ...
2 years ago | 0
| accepted
Answered
How to squeeze specific value from 4D array?
It seems like you are asking for a way to identify and retrieve every instance where the temperature value is exactly 25 within ...
How to squeeze specific value from 4D array?
It seems like you are asking for a way to identify and retrieve every instance where the temperature value is exactly 25 within ...
2 years ago | 0
| accepted
Answered
Unrecognized function or variable " " , when I use my function
The variable t_peaks is not defined in the fit_function. Neither is the peaks variable but this is not throwing an error becaus...
Unrecognized function or variable " " , when I use my function
The variable t_peaks is not defined in the fit_function. Neither is the peaks variable but this is not throwing an error becaus...
2 years ago | 0
Discussion
Simulink and App Designer integration in R2024a
Are you a Simulink user eager to learn how to create apps with App Designer? Or an App Designer enthusiast looking to dive into ...
2 years ago | 3
Answered
how to plot a section of a circle, need help with coding the math
> The variables I have is center position (lat and long), I have right and left aperture (130° total), max range (usually 25-30 ...
how to plot a section of a circle, need help with coding the math
> The variables I have is center position (lat and long), I have right and left aperture (130° total), max range (usually 25-30 ...
2 years ago | 0
| accepted
Published
Build Simulink Apps with App Designer
Guest Writer: Robert Philbrick Robert Philbrick is a principal engineer responsible for new interactive App Designer...
2 years ago
Answered
Appdesigner window ends up in background after uigetfile
Thanks for reporting the problem. This has been fixed in R2025a. Focus now returns to the app that called uigetfile after t...
Appdesigner window ends up in background after uigetfile
Thanks for reporting the problem. This has been fixed in R2025a. Focus now returns to the app that called uigetfile after t...
2 years ago | 2
Answered
Pushbutton sends app designer panel to the back.
Thanks for describing the problem. This is a known issue (previous reports: 1, 2, and others). This has been fixed in R2025a...
Pushbutton sends app designer panel to the back.
Thanks for describing the problem. This is a known issue (previous reports: 1, 2, and others). This has been fixed in R2025a...
2 years ago | 0