Answered
How do I make ListBox items wrap?
In general, for uicontrol components you would use textwrap, but it doesn't work in App Designer. Some of them, such as uibutto...

1 year ago | 0

Answered
How to save and later clear the data taken through editText in a .txt file automatically with the current timestamp ?
You can use the Children property of your (ui)figure to collect every TextEdit object and access the String inside. You can the...

1 year ago | 0

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How can I process the image and extract the spacing between individuals dots in a row ?
img = imread('image.png'); [centers, radii, metric] = imfindcircles(img,[5 18]); You can compute the distances from centers....

1 year ago | 0

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Plotting matrix on grid of squares
I learned to code these kind of applications by studying Brian Moore's File Exchange. In particular, you can check his very nic...

1 year ago | 0

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I have a matrix and a Structure array. I want to export them as an Xlsx file, with the matrix on sheet one and the Structure array on sheet two
writematrix(cell2mat(struct2cell(structName)), 'filename.xls', 'Sheet', 1); writematrix(rankine, 'filename.xls', 'Sheet', 2); ...

1 year ago | 0

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Answered
Plot index of for loop
I used annotation because accepts normalised units, otherwise text might be a better option. Have a look at it. Also I stronlgy...

1 year ago | 0

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Answered
run loop once with a click on push button
If I understood correctly, you want to extract one name from a list of names. In this case you don't need a loop. At first glan...

1 year ago | 0

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Answered
Help requested for generating an example for this kind of 3D plot
You can use surf to generate 3D meshes and inpolygon as binary mask to customise the shape of the base grid. % Number of grid...

1 year ago | 0

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find matching multiple condition
k will be true (or logical 1) if reset needs to be applied. false (or logical 0) otherwise. load('resettimehelp.mat'); curr...

1 year ago | 1

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Answered
Using mat2cell in a proper way
When you use mat2cell, besides the first entry that is the matrix you want to modify into a cell, the other inputs give the inst...

1 year ago | 1

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

1 year ago

Answered
How to change HH:mm:ss:SSS to HH:mm:ss.SSS for a column?
if the time format is imported from the .txt as a string, you can do the following using a for loop for every element: time = '...

1 year ago | 0

Answered
problem in using meshgrid and how to show the variation of a parameter in the field
Your problem is related to the definition itself of pcolor. To quote the documentation: "The color of each face depends on ...

1 year ago | 0

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Filling the area in a plot without overlapping
You can select the number of plots and curves you want using nPlots and nCurves, respectively. You can also add more colors usi...

1 year ago | 1

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Answered
how to create a time series from an excel data sheet containing hourly load in 1095 rows and 23 columns. no date or time in the excel data file.
According to the documentation, timeseries has to be either a scalar or a vector of scalars, therefore you can't use datetime. ...

1 year ago | 0

Solved

Matrix of Multiplication Facts
This is James's daughter again, sneaking into his Cody account. Thanks to your help in my math class last year, I did great! But...

1 year ago

Answered
Want to use nested For loop
You need to add a second dimension to your z array: n0 = 1; n1 = 2; n2 = 1; n3 = 2; d1 = 0.1; d2 = 0.2; lam = 3:0.01:7; ...

1 year ago | 0

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Solved

Count the peaceful queens
In a 5x5 chessboard with a queen of one color (white, say) on the perimeter, one can place 12 black queens on the board such tha...

1 year ago

Answered
Calculate Satellite TLE from Satellite Object
The reason why you haven't found a method is because it doesn't make sense physically. TLE are data format that condense inform...

1 year ago | 1

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Answered
How to program a menu with callbacks upon selection?
Have a look at this simple app. You can selecte different voices from the menu bar and see the results on the GUI. Be caref...

1 year ago | 0

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Answered
Generalizing Function Calls with Property Dependence in App Designer
Use: app.(prop_name).current to use strings as class properties (or structure fields).

1 year ago | 1

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Answered
what @ does in MATLAB?
In this case @ is used to call a superclass method from a subclass. Consider the classes Food and Donut, such that Donut is a s...

1 year ago | 5

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Answered
How to simulate number of visible satellite over the globe?
Depending on your needs and data, I suggest you to take a look at: contourf geocontourxy geoplot

1 year ago | 0

Answered
How to eliminate for loop and perform the computation parallely?
%% Data: fs = 35000; T = 100; Nt = fs*T; M = 60; a1 = randn(M,Nt); a2 = randn(M,Nt); lambda = randn(1,Nt); B = randn(M...

1 year ago | 0

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Answered
How can I make a set of stimuli composed of pseudorandom dots of the same size and each stimuli having different spatial frequencies/densities?
This is slow and inefficient and can be improven with more pseudo-random techniques, but it does the tricks: % Dots size: dotS...

1 year ago | 0

Answered
Display elapsed time in hours, minutes, and seconds
time = seconds(4321) time.Format = 'hh:mm:ss'

1 year ago | 0

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Answered
Image Rotation based of the location of four circles in the image
Assuming that you you have x and y coordinates of the centers: % Get centers' coordinates: xCenters = centers(:,1); yCenters ...

1 year ago | 0

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Answered
How to create a 3d mesh with a unique property for every element?
You can store all the information you want into a structure: nElements = 25; x = rand(nElements, 1); y = rand(nElements, 1)...

1 year ago | 0

Answered
compare matrices of different sizes
Hard to tell from the information you give, but it looks like you are using vectors as interpolation base, when you have to use ...

1 year ago | 0

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Question

Asymmetric intervals built-in vectorisation
Does Matlab have a built-in methodology to vectorise the following? a = [3,4,3,6,4,2]; b = zeros(1, sum(a)); idxEnd = cumsu...

1 year ago | 1 answer | 0

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