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Kevin Holly

MathWorks

Last seen: Today Active since 2021

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Programming Languages:
MATLAB
Spoken Languages:
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Answered
How can I plot my coórdinates on top of the map, Ans how can I choose my own area? Cannot find a tutorial on the subject.
land = readgeotable("landareas.shp"); geoplot(land) geolimits([50 52], [2.5 4.5]) % Set geographic limits % Coördinates to ...

13 hours ago | 0

Answered
Making something like 'findpeaks' function without using threshold
Is there a particular reason that you don't want to use findpeaks function? To be clear on what you would like as an output, ...

5 days ago | 0

Answered
Checkboxes values don't change after checking them off in UItable in app designer
Below the logical array, app.ofchan, is defined as all false (0) . app.ofchan = false(size(subsystem.ChannelNames)); If you wa...

6 days ago | 0

| accepted

Answered
Not getting the output in app interface even code is written
Ehtisham, I made a few changes to your app. See attached. Let me know if this helps or if you have any questions.

3 months ago | 1

Answered
problem to add property in app designer
Remove the extra "end" on line 22. The function button was purposely disabled since you had an extra end.

4 months ago | 0

Submitted


Rodent-Sleep-Spindle-Detector
The Rodent Sleep Spindle Detector app can identify sleep spindles within intracranial EEG (iEEG) recordings.

4 months ago | 6 downloads |

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Answered
Contours on Geoaxe with addCustomBasemap
You can use the getContourLineCoordinates function from the File Exchange. Create contours with contourf [X,Y,Z] = peaks; [M,...

5 months ago | 1

Submitted


Rodent-Tracker

6 months ago | 6 downloads |

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Answered
Powerpoint Generation MATLAB App Issues
Ratanjot, Try writing the full path to your image files and see if that resolves the issue. I am assuming you are receivin...

6 months ago | 0

Answered
Problem in displaying an image with imshow in app designer
I looked at your file and experienced the same problem. I was able to switch the parent to app.UIAxes2 and it worked. I ended up...

6 months ago | 0

| accepted

Answered
how to obtain additional space in the panel
Yes, you can create an uicontextmenu. You could also create another app that is called by pressing a button. You could also c...

6 months ago | 1

Answered
Reconstruct 3D model from slices scan (tif file)
You can tiffreadVolumeor read to import the tiff files. If you have multiple tiff files, you can read them in a loop and generat...

7 months ago | 1

Answered
Optimization of a script
You can use fmincon. a = [1 1 0 1 1 1 1 0 1]; b0 = 2; % Initial guess for b c0 = 3.2; % Initial guess for c % Define the...

7 months ago | 0

Answered
enter values from 0 to N (imposed value) with step of 100 on the x-axis of the bar graph
I'm not exactly sure what you want to see. Are one of the 3 graphs below what you want? matrix = [64, 440; 65, 489; 66, 581; 67...

7 months ago | 0

Answered
Regression Learner App - relative weights of variables
Assuming that you exported your trained model as the variable trainedModel and that you have a linear model, you can access a ta...

7 months ago | 0

| accepted

Answered
Unable to write the signalname on signal line and block name in simulink 2009b
Have you tried right clicking the signal line and then going to Signal Properties? In Signal Properties, there should be a Name ...

7 months ago | 0

Answered
I am learning matlab app designer for my project and facing problems to plot a graph.
I could not replicate the error. I made a simliar app (see attached). I ran it on R2023a Update 5. Is your MATLAB fully update...

7 months ago | 0

Answered
Changing the linestyles of individual lines in stackedplot subplots in AppDesigner.
I made an app to test this (see attached). I was able to replicate it in R2022b Update 5, but not R2023a. As Walter suggested, i...

7 months ago | 0

Answered
Matlab Opens smithplot in new figure
For the smithplot function, you need to change the Parent to the app.UIAxes d = dipole; freq = linspace(60e6,90e6,200); s = s...

8 months ago | 0

| accepted

Answered
How to specify a callback function for the CellSelectionCallback property for runtime created Tables in App Designer?
MrToad, It seems like MATLAB cannot locate the function. You could call the function from outside the app. Please see the app...

8 months ago | 0

Answered
How to update AppUI Edit Field Text from different script ?
To call the the getpercentage function successfully, you need to feed it the property variables as an input, so add "app" as an ...

8 months ago | 1

| accepted

Answered
Adjusting the datetick issue.
clear all ; clc ;clf set(gcf,'color','w') load m_time_1516.mat x = 1 : 9; y = sin(x); m_time_1516(1) =[]; plot(datetime(m_...

9 months ago | 0

Answered
App Designer Image Properties
You can use findall to get a handle of all the uiimages. handle = findall(app.UIFigure,'Type','uiimage'); ...

9 months ago | 0

| accepted

Answered
How do I create a time-lapse video of a 3D plot?
One way is to run a similar code as shown below in Live Editor. It will automatically create a video from the for loop that you ...

9 months ago | 1

| accepted

Answered
App designer - problem implementing filter based on tree nodes
Teshan, I created an app based on the scripts provided (see attached). Please let me know if this answers your question. I be...

9 months ago | 1

| accepted

Answered
How do I make a uibutton the 'active' item in a GUI upon construction?
See https://www.mathworks.com/matlabcentral/answers/392925-modify-tab-order-of-app-designer-gui Below would work for R2022a a...

9 months ago | 0

| accepted

Answered
I'm struggling to plot data over dateline when centred on the North Pacific using geoscatter.
load example.mat As you can see below, the data points are far apart. figure geoscatter(tow_data(:,1),tow_data(:,2),50,tow_...

10 months ago | 1

| accepted

Answered
Why is the label not coming up?
I made the default text for Label2, "Choose the salts available!". This way it appears when the app first starts. If you do not ...

10 months ago | 0

Answered
How to use public properties in matlab app designer?
I have modified your apps and attached them here. In app3, I added a Callingapp property. In code view, I clicked "App Input Ar...

10 months ago | 0

| accepted

Answered
Component alert (error or information message) in appdesigner
You could add a tooltip message like this: The Tooltip message can be edited under the Interactivity subheading in the Compo...

10 months ago | 0

| accepted

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