Community Profile

# Kevin Holly

### MathWorks

Last seen: Today Active since 2021

.

Programming Languages:
MATLAB
Spoken Languages:
English
Professional Interests:

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#### Content Feed

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

2 hours ago | 0

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"; ...

2 hours ago | 0

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 hours ago | 0

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...

5 hours ago | 1

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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 ...

4 days ago | 0

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

4 days ago | 0

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'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...

5 days ago | 0

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...

5 days ago | 0

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...

5 days ago | 0

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...

5 days ago | 0

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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.

6 days ago | 0

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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...

6 days ago | 0

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...

6 days ago | 1

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

6 days ago | 1

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 ...

6 days ago | 0

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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...

8 days ago | 0

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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)

11 days ago | 0

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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 ...

11 days ago | 0

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

11 days ago | 0

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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 ...

11 days ago | 0

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-...

11 days ago | 0

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 ...

11 days ago | 0

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)/...

11 days ago | 0

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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...

14 days ago | 0

Submitted

Rodent-Tracker
Rodent Tracker tracks the movement of a rodent in overhead view videos that have a contrasting background.

18 days ago | 8 downloads |

Slider values from an specific column appdesigner
See app attached. You can add the following: app.MPSlider.MajorTickLabels = categorical(app.Data(app.MPSlider.Maj...

18 days ago | 0

How to binarize an image using spinner in app designer?
You do not need to define the spinner values like you did here: app.minRedValue = app.MinRed.Value; You can just access the va...

18 days ago | 0

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Which image contributes to the maximum intensity projection?
Images=rand(3,10,10); [maxImage index] = max(Images); size(maxImage) imshow(squeeze(maxImage)) index

20 days ago | 0