polarplot app.panel with condition in app designer
I think the problem is that you're not specifying the axes but that doesn't explain why a blue dot appears and you should have s...

28 jours ago | 0

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my plot won't show graph
That's because there's only 1 point and it takes >=2 points to form a line. By default, plot() does not show markers, only line...

28 jours ago | 1

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How to create a secondary Cartesian coordinate system (three perpendicular coordinate axes) in Matlab?
To add the additional axis lines, box on % Or box(ax, 'on') % ax is the axis handle but I didn't understand this part: w...

29 jours ago | 1

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How to use logical indexing for slices of a 3D matrix
nxm logical index applied to all pages of a 3D array domain = rand(4,4,4); condition1 = domain(:,:,1).*ones(size(domain)) > 0....

30 jours ago | 0

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How to get values ​​from multiple columns based on the values ​​of one column ?
This is how I imagine your data are organized based on your description. % [year, month, data, ...] data = [repelem((2007:2...

environ un mois ago | 0

how can I read the number in figure(matlab) without rounding?
This is a precision issue with datatips. See this answer to learn how to specify the level of precision in datatips. Demo of ...

environ un mois ago | 1

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highlight different data on the same graph
It looks like you're using datetime values and if you're not, you should be. Datetime values are not represented by strings. A ...

environ un mois ago | 1

cell2mat -> operation -> mat2cell : How...?
for i=1:301 % generate the cell array example dataset u{1,i}=rand(41,50); end u_3d = cat(3,u{:}); u_3dFilt = medfilt3...

environ un mois ago | 0

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unable to make invisible for edit box in gui.
> when users choose radiobutton1, this edit box should be invisible Then you need to move your line of code from the edit1_Call...

environ un mois ago | 0

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How can I get the sums of all possible combinations of the values of a vector?
% Input: v, a row or column vector v = [2 4 6 8]; % create permutations and summation results n = numel(v); vIdx = 1:...

environ un mois ago | 0

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Create output of rectangles with 200 different colours
rectangle('Position',pos) pos is a 1x4 vector defining [LeftSide, BottomSide, Width, Height]. See the FaceColor and EdgeColor...

environ un mois ago | 0

xcorr can't be used
xcorr does not require Signal Processing Toobox in Matlab R2019a and later. For Matlab releases prior to 19a,, you'll need th...

environ un mois ago | 0

How to control the pushbutton in a while loop in Matlab GUI
> I would like to run the loop each time only when I click the pushbutton. I don't know whether you're using app designer, GUI...

environ un mois ago | 1

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What is the fastest way to find zeros and ones indices in a 3D binary array?
Here are two versions of your code that are faster than the original but they only shave off a sliver of time. I've timed 10 re...

environ un mois ago | 0

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Count frequencies of occurence using both text and number
Use groupsummary % Produce table % I use categorical variables but you can you strings or char-vectors rng('default') % for r...

environ un mois ago | 0

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Dot indexing is not supported for variables of this type.
> I am trying to recursively search directories and build a list of paths to image files Inputs: % Define the main directory...

environ un mois ago | 1

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How can you sum up all vectors from a quiver plot?
This solution computes the vector sum of all quiver vectors in the test image and then computes the 95% confidence interval (CI...

environ un mois ago | 0

Submitted

Example: Dashcam optic flow using Computer Vision Toolbox
A brief description of the steps needed to produce an optic flow field from dashcam footage using Matlab's Computer Vision Toolb...

Want to remove one plot from the two plots in my app designer pannel when i choose Synthesis
A simple and efficient solution would be to assign the lower plot to a uipanel in app designer and to set the visibility of the ...

environ un mois ago | 1

Results from a loop in one table
As you noted, the second line of code in your for-loop should be moved outside and prior to the for-loop. However, there are tw...

environ un mois ago | 0

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Plot Matrix as Heatmap with different cell size width
Not possible with heatmap. Here's a solution using surf. % Inputs data = [ 1 2 3; 4 5 6]; rowWidths = [10, 20]; %mm, one f...

environ un mois ago | 0

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putting space between string and double using fprintf
> In the first code, 10 spaces were added before 'G1' That's incorrect. 8 spaces are added prior to 'G1'. From the documentat...

environ un mois ago | 1

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Plotting three axis with one y axis
See this comment that lists links to many examples to follow. But before proceeding, are you convinced that this is the best ...

environ un mois ago | 0

How to extend array from end of that array to known value?
Assuming A is a row vector and you'd like to add 218 values that extend from the end of A to 0.512, Aextension = linspace(A(end...

environ un mois ago | 0

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for each loop take the increasing position of a vector matlab?
The length of L would need to equal the length of x or it could be longer than x, but not shorter. for i=1:lenght(x) if x...

environ un mois ago | 0

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Stacking Multiple 2D plots in one 3D plot
Check out the following resources. If you get stuck implementing a solution, share your updated code and we can help you get un...

environ un mois ago | 0

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Is there a better way to animate a figure with AppDesigner?
It looks nice but it's very inefficient. On each iteration you're throwing out everything and rebuilding it from scratch. See ...

environ 2 mois ago | 0

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Add a user define property to freehand object
You could apply your own rotation using a rotation matrix. % anonymous function to center the obj at (0,0), % rotate it, an...

environ 2 mois ago | 0

d = daq("directsound") yields "Unrecognized function or variable 'daq'"
daq() was released in R2020a which is vs. 4.1 of the Data Acquisition Toolbox.

environ 2 mois ago | 0

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