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In App Designer, how can I keep the X and Y Grids on top of an image I display in UIAxes using imshow?
This has to do with how images are displayed in MATLAB, meaning the issue is not unique to App Designer. I would use xline and ...

27日前 | 0

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I need to correct the script for coloring map
The reason your masks are all 0 is because all 3 channels have the same value. You can confirm this using the imageViewer app. Z...

27日前 | 0

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Difference between RMSE of Curve fitter and calculated RMSE in MS Excel
In Excel you are calculating RMSE using all residuals. In MATLAB you are calculating RMSE using Least Absolute Residuals. There...

約1ヶ月前 | 2

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Gradient color filled bar plots.
See this answer: https://www.mathworks.com/matlabcentral/answers/1765710-how-to-draw-a-bar-chart-with-a-color-gradient-with-matl...

約1ヶ月前 | 1

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What to change in the given code for Plotting SPR curve between R and wavelength?
I believe the issue you have is that the values used to compute rp never change, which means it computes the same ref_value in e...

約1ヶ月前 | 1

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2D matrix resize or interpolation
Q1: B = imresize(A,[numrows numcols]) Q2: What type of images are you working with? Please share an example. You can attach ima...

約1ヶ月前 | 0

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Keeping the scale in subplots when one is changed
Because you use axis square for your 2nd plot, the aspect ratios of the data are different. This is why setting position does no...

約1ヶ月前 | 0

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Trying to create a drop down that will open a new uifigure, nothing happens when I click confirm?
The value of selectedOption is a number corresponding to the item selected (e.g. 1, 2, 3, etc). You need to update your cases a...

約1ヶ月前 | 0

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Plotting range of files using hold on in for loop
I think you need to add a figure command to your code. Otherwise, plot will overwrite the current figure. startIndex = 1; endI...

約1ヶ月前 | 0

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Como evaluar un curso hecho en la plataforma de Matlab?
It sounds like you want a way to determine if your learners have completed a self-paced online course from MathWorks. I can thin...

約1ヶ月前 | 0

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Legend for multiple data series at once
In MATLAB, each column of data is treated as a series, and by default, each series gets its own legend item. You are plotting 5 ...

約1ヶ月前 | 1

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MathWorks Self-Paced Online Course License Error -5
How are you trying to open the course? I think you need to select 'Launch in Browser' from the course page instead of trying to ...

約2ヶ月前 | 0

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R&S waveform (.wv) files read and write!
Your file format is definitely different. Rather than being all binary, like the example I linked to, it captures the binary dat...

約2ヶ月前 | 0

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Error in Simscape battery Onramp
That portion of the model is all provided for you. I suspect something didn't load correctly. I was able to complete this task...

約2ヶ月前 | 0

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How to rotate image 3D
I noticed you must be using R2024a instead of R2024b. Some of the functionality this code uses is no longer available in R2024b,...

約2ヶ月前 | 0

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Is it possible to plot a vector arrow using quiver( ), then, negate the vector so it points in the opposite direction, but then add arrowhead in original direction?
Perhaps you could share a working example? When I negate U and V, the arrows point the opposite direction. I also modified the ...

約2ヶ月前 | 1

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MATLAB Code Solution Assessment
There is no built-in way to check how learners created subMat. However, there are 2 aproaches you could take that would prevent ...

約2ヶ月前 | 3

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What is the heat flow sign convention for a Simscape Temperature Source?
First a caution. Do not assume direction based on block orientation. You would get the same results no matter the orientation of...

約2ヶ月前 | 0

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How can I make the following heatmap smoother while preserving the contours outlined by the green line?
You need to increase the resolution of your data to smooth the apperance. If I couldn't collect the data at higher resolution, I...

約2ヶ月前 | 0

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Matlab Fundamentals course:Creating and Calling Functions(4/5) Modify a Function: Not enough input arguments. Error in zerofunction>findcrossing (line 23) y = y - z;
As far as I can tell, you have not followed the instructions. The error suggests you have done part 2 correctly, but the image s...

約2ヶ月前 | 0

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problem with the power system simulation onramp course
I was able to duplicate the issue. This is happening because the default value for one of the Wye-Connected Load block parameter...

約2ヶ月前 | 4

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Problem with Power Systems onramp course
You Synchronous Machine Salient Pole block does not look correct. You have 3 outputs on the right. You should only have 2. Speci...

約2ヶ月前 | 0

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Fit countours to shape
I made an attempt using the Image Segmenter app. I first thresholded the image, then eroded the mask to get a roughly square sha...

約2ヶ月前 | 0

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Use CompEcon toolbox in Matlab online
In it's simplest form, a toolbox is just a grouping of functions added to the MATLAB path. I am not familiar with this toolbox s...

約2ヶ月前 | 1

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unable to save a figure in for loop
I think the issue is with how you are building figname. i =0; minlat=40.4+i*(1/60); maxlat=40.4+(i+1)*(1/60); latcent=(minl...

2ヶ月前 | 2

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anyone can help me to open this file . sin
This code will reproduce the results obtained in imageJ using the settings provided in the GATE documentation with one change - ...

2ヶ月前 | 0

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Plotting a Semi-Log Plot as a Function of Time
I'd do something like this. Let me know if you have any questions t = logspace(-2,2); % one way to implement a piecewise funct...

2ヶ月前 | 0

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How run the code including wiener process function
You use a function - w(t) - that you do not define in your code. At least that is the error I get in this line: u_deterministic...

2ヶ月前 | 1

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Convert Classification Network into Regression Network
In R2024a, machine learning models were transitioned to dlnetwork. Rather than assign the output, they now output the prediction...

2ヶ月前 | 1

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A-version versus B-version of MATLAB
From my perspective, I don't think there is any merit to this notion.New features are added in every releaes, and the internal p...

2ヶ月前 | 2

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