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I have a problem with solve command
The format you are using is no longer supported. Please see documentation for solve. syms x syms y syms z [x,y]=solve(3.*x-...

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the code for a button to dilate and erode the browsed image
tala, Please see the app attached. Let me know if this example answers your question.

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App Designer: Multiwindow Apps Issue
Instead of deleting an app, I just make the uifigure invisible, so that I can keep each app's property variables. You can downl...

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Help with Simplifying repetitive code
If you have your variables as columns in a table, you could do something like this: t=table; t.RIC = rand(14,1); t.RLT = rand...

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How to create two-dimensional boxplots
x = rand(1,30); y = rand(1,30); tiledlayout(1,2) nexttile scatter(x,y,'filled','r'); nexttile boxchart(median(y)*ones(size...

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Matrix processing problem; creating new matrix
matrix = [0 0 0 0 0 1 0 1 0 0 1 0 1 0 0 0 1 0 0 1 0 0 0 1 0 1 0 0 0 1 0 0 1 0 0 0]; if matrix(1,1) output1 =...

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How can i transfer data from Matlab to Excel?
If you have data in a UITable and want to save it to a spreadsheet, you could create a callback function for a pushbutton to sav...

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this my code for switch in app designer i supposed to show the image before and after adding effects but if u try it i need to also click twice for it to work
See app attached.

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Why the result does change when ı add other rows in Matrix?
It is giving the correct result. It is just rounded. I changed format to long below. l_1=600; A= 48.6; K = [12, 6*(l_1), -1...

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so in appdesigner im building a list box to turn the image to (red ,blue ,green) this is my code for it bout it wont run
Based on the red squiggly line under Methods in your screenshot, you may have an extra "end" in your code.

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how can I plot an increase and decrease in tempearture as x-axes (i.e. from 25 to 700, 700 to 500 all on x-axes), agains different y-axes
Did you want something like this? load A yyaxis left plot(A.T_bred,A.O2); yyaxis right plot(A.T_bred,A.CO2);

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How to generate the hsv cone graph using Matlab?
Here is a starting point. I made some modifications from this code: https://stackoverflow.com/questions/3339692/modeling-hsv-co...

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Hue in HSV Color Space
The max angle is 360 degrees. So, divide your angles by the maxium value to obtain a fraction of 1. [0, 90, 180, 270]/360

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Why I can't add a new property?
You can add a property by clicking "Property" on the toolstrip under the Editor tab within App Designer.

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I need help with this app designer code
Place an end after your switch case.

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Please help, I don't understand the error. How I can make it correct?
The line here need to be fixed: ndataSIR=20*[0 randn(0,width,[1,numpts]); 0 randn(0,width,[1,numpts]); 0 randn(0,width,[1,nump...

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How to perform inverse between a page of a 3D matrix and a column vector without loops?
load H.mat load A1.mat size(H) size(A1) answer = H.\A1; size(answer)

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CSV or XLSX to write data
CSV would be faster.

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how can I add noise to an image using the Slider
See app attached. Let me know if you have any questions.

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Determine what UI Object Called a Context Menu
Could you create a property variable that stores the handle of the last clicked listbox? something such as: properties ...

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I have an satellite image and I want to extract the information from ROI of image?
Note, I used Computer Vision Toolbox below. Capture_img = imread('Capture.jpg'); Picture1_img = imread('Picture1.png'); imsho...

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How to remove rows with specific number and column in table?
t=table; t.Num = round(4*rand(814,1)); sum(t.Num==0) randhalf = (t.Num==0).*rand(size(t.Num)) randhalf = randhalf>.5 % chang...

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How to let the user input an excel file (i.e .csv file) and array in MATLP APP Designer
Attached are two examples of apps opening Excel files.

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How to count pixels/measure area in binary image?
img = imread("sample.png"); img = im2bw(img); imshow(img) se = strel('sphere',15);; circles=imopen(~img,se); imshow(circles...

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How to extract character and number only from this image to .txt?
You could use the optical character recognition (ocr) function that comes with the image processing and computer vision toolbox ...

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How to avoid overwrite in excel in apps designer
You can change the write mode as such: writecell(tab,fullfile(selectPath,filename),'WriteMode','append');

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How to detect if passed handle is a handle to an App Designer Application
metaclass(app).Description Should return 'Properties that correspond to app components' if it is an app. where the input "app"...

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What does this line mean
You can read about the function, unifrnd, here: https://www.mathworks.com/help/stats/unifrnd.html

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code errors at app designer
You need to make the fullname variable a property variable, so that it can be used by the different functions within the app. ...

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app designer readmatrix only 1 row
I would have used a similar approach. This could be faster depending on the size of your data: prueba = readmatrix(app.filename...

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