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Kevin Holly

MathWorks

Last seen: Today Active since 2021

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Answered
Preview in MATLAB GUI
Please see Previewing Data in Custom GUIs. You can use the command: preview(vid, hImage); where hImage is the handle to the i...

3 hours ago | 0

Answered
Previous legend replaces the new one in a plot, why?
Were you changing the location of the legend as shown below? I made a quick app (attached) using the approach below. plot(rand(...

6 hours ago | 0

Answered
Matching the two columns of two different tables and to combine the common values in second table.
You can use innerjoin or join. See Join Tables.

1 day ago | 0

Answered
highlighting a section of a plot
Here is another approach using area function. x = linspace(500, 4000); y = sin(x); Note, this is only one point, so I illustr...

2 days ago | 0

Answered
Algorithm to identify certain peaks at certain loation is a graph
You can get the values and index of the peaks and apply the x and y thresholds as shown below: plot (x,y,t,D); [v,idx]=findpea...

2 days ago | 1

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Answered
My App does not plot the data i read, why?
You need to get rid of clear on line 60. This removes the uicomponents from the "app" variable. This prevents you from plotting ...

2 days ago | 0

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Answered
How do I Save all the Variables in the Workspace.
save('filename.mat','-mat')

3 days ago | 0

Answered
How to group different values in an array?
t = table; t.intensityofcostcomposition = ["10.0,64.0,NaN"; "15.0,160.0,290.0"; "15.0,160.0,320.0"; ...

3 days ago | 0

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Answered
Mouse position events app designer
If you want a blue outline on an uiaxes, you could enter the following in the start up function: set(app.UIFigure, 'WindowButto...

3 days ago | 0

Answered
Interpolate points between two coordinates
Since you are doing linear interpolation, you can just use the linspace function. A = [1,7]; B = [6,1]; N = 5; % You can chan...

3 days ago | 1

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Answered
Start Stop button group not working
The function works for me. pause and play are displayed in the command window. Please see testpauseplay app attached. If you ...

7 days ago | 0

Answered
Visual 3D coordinate map interactive data Toolbar Settings in APP Design
Zy, Unfortunately, brush is not supported in compiled apps.

7 days ago | 0

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Answered
'Exceedes array bounds' In Matlab App
Have you tried debugging the line app.LoadedDataTable.Data = app.DATA(1:15,[1:4,13]); I would check the size of app.DATA I be...

8 days ago | 0

Answered
Move through slices in 3 D plot matlab?
You could make a slider that changes the variable xslice xslice = 0.5; X = rand(10000,1); Y = rand(10000,1); Z = rand(1000...

8 days ago | 0

Answered
How to extract year, month, day from character vectors?
var =['1970/01/01' '1970/01/02' '1970/01/03' '1970/01/04' '1970/01/05' '1970/01/06'] % I want to make you aware of Datetim...

8 days ago | 0

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Answered
How to hide data in a UITable ?
You could do this workaround: paramD = struct('name',"frequence",'unite',"GHz",'nb',numel(freq),'liste',{freq,0},'scattering',s...

8 days ago | 0

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Answered
App Designer: Standalone Desktop App is not enabled. How to activate?
Do you have a MATLAB Compiler license? You will need this to create a Standalone Desktop App or Web App.

9 days ago | 0

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Answered
Can we plot horizontal boxchart?
You can add the option 'orientation','horizontal' to your input for boxchart or boxplot. See examples below. load carsmall f...

9 days ago | 0

Answered
index exceed the number of arrays elements
Collective = rand(1,124); single = rand(1,393); length_collective=length(Collective) %equals to 124 length_single=length(sing...

9 days ago | 1

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Answered
Request certification and invoice
Please contact Customer Service at service@mathworks.com or via phone 508-647-7000, option 2.

9 days ago | 1

Answered
How can I use WindowButtonMotionFcn in an app?
Matt, I cleaned up your code and changed the Get_Mouse_Location callback in line 110 (see attached). I got rid of the global ...

9 days ago | 0

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Answered
Cannot Change UIFigure (App) Size Programmatically In 2022a
ILoveMATLAB, I could not replicate your issue. I created an app in R2019b that change the size of UIFigure and then converted...

11 days ago | 0

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Answered
How to make this string a = '(0 0 0)' into a double b = [0 0 0]?
a = '(12 2.8 1.22)' a = strrep(a,')',']'); a = strrep(a,'(','['); b = str2num(a)

14 days ago | 0

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Answered
Add User Text Input to Next Line in Table via Button Push in App Designer
Please see the app attached and the code below: methods (Access = private) % Code that executes after component ...

14 days ago | 0

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Answered
Trigger event callback from another event callback
You can simply write CheckedNodesChangedFcn(app) within the 'ButtonPushedFcn' callback

14 days ago | 0

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Answered
Histogram or bar graph with greater than bin?
Below is a workaround. a=260*rand(1,252); p=histcounts(a,"BinWidth",10,"BinLimits",[0,250],"Normalization","pdf"); figure ...

14 days ago | 0

Answered
why do i receive
av = rand(4,15); plot(1:size(av,2),av(1,:),'rd',1:size(av,2),av(2,:),'cs-',1:size(av,2),av(3,:),'*b:',1:size(av,2),av(4,:),'hg-...

14 days ago | 0

Answered
problem in creating plot from for loop
for t = 1:10 vs(t) = 3*exp(-t/3)*sin(pi*t); %changed vs to vs(t) so it creates a vector array instead of just replacing ...

14 days ago | 0

Answered
where is the fault the code is not running?
clc close all lags = 0.6; k1 = 3; k_1 = 1; k2 = 2.5; k3 = 1; k_3 = 1; k4 = 2; k5 = 1; E1 = 1; E2 = 2; K1 = (k_1+k2)/...

14 days ago | 0

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Answered
Optimization plot in App Designer
You could get the handle of the axes and transfer the children to the uiaxes in your app. See example code below: fun = @(x)100...

17 days ago | 0

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