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# Florian Bidaud

Last seen: 3 days ago Active since 2022

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remove x labels from a figure with subplots.
figure for i = 1:5 s = subplot(5,1,i); % plot whatever you want plot(0:10,(0:10).^i) grid grid minor ...

1 month ago | 0

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Trouble using diffuse function
See the doc: https://uk.mathworks.com/help/matlab/ref/diffuse.html. The structure is: R = diffuse(Nx,Ny,Nz,S) The output R is...

1 month ago | 0

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Double precision: Why does fprintf print "extra" wrong non zero digits?
By default, MATLAB uses 16 digits of precision. The rest can come from intermediate format conversion errors inside fprintf, due...

1 month ago | 0

Re saving images with Transparent background and uncompressed
If you just want to rename them, you don't need to load and save, you can just use copyfile. If you want to do stuff after load...

1 month ago | 0

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waibar doesn't work with parallel for
Have a look at this one https://uk.mathworks.com/matlabcentral/fileexchange/71083-waitbar-for-parfor?s_tid=answers_rc2-2_p5_MLT

1 month ago | 1

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unmatched the number of variables specified
The error is self explanatory, Empties.Properties.VariableNames returns a cell array of all the variable names. You try to repla...

1 month ago | 0

Interpolate x,y coordinates and timesteps
In your example, you only have a 2D M array, but I guess what you want is a 3D interpolation, so with another dimension in M ? ...

1 month ago | 0

Expired coding question, don't refer to this
You haven't defined Tout and Tout1 as equations but as numerical variables because qout and qdot are int arrays. You should firs...

1 month ago | 0

How to Generate Perfect Circles for Minecraft Builds in MATLAB
You need a bit more resolution in your circle, and I would go for finding the minimum of the equation rather than rounding the r...

3 months ago | 0

2 synchronized objects in viewer3d
Hi, I think you should be able to use linkprop on your two 3D-viewer objects.

3 months ago | 0

Shortcut for applying two functions to two arrays.
Not entierly sure if that's what you want but you can do that f = @(fun_array,x) [fun_array{1}(x(1,:)); fun_array{2}(x(2,:))]; ...

3 months ago | 0

Can Matlab write the output directly in a word file
You can write text with this kind of structure text_to_write = 'My text'; fid = fopen('Pks.doc','w'); fprintf(fid,text_to_wri...

3 months ago | 0

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I want to access the variable outside the loop or want to change the variables value in loop but in every iteration
One solution could be to save it in a mat file at each step, then you have full access to it with a parfeval or any parallel com...

4 months ago | 0

How can i connect this plot line
You have to concatenate the vectors. Let's say your first line in defined by (x1, y1), and your second line by (x2, y2), then i...

4 months ago | 0

Unable to iterate my array even though both sides appear to be the same sides.
Following your comment, you have the answer, Time{1} is a 0x1 double, so max(Time{1,1}) is empty, therefore you cannot assign i...

5 months ago | 0

How to plot recursive function/how to avoid infinite recursion?
a(1) = 65; b(1)= 0; i = 1; while a(i)>a(1) || i==1 b(i+1) = b(i) + 9.81/0.94*sin(a(i))*0.0215; a(i+1) = a(i) + 0.02...

5 months ago | 0

Matlab function assumed inputs
Hi, if you want positional arguments, use addOptional with an inputParser like this : % to use the function as % [x,y] = pri...

5 months ago | 0

Matlab: colorbar of contourplot only for specified contour levels
f = figure(1); c = colorbar; f.Children(2).CLim = [0 1000]; c.Ticks = [2 45 600 1000]; color_array = [0 0 1; 0 1 0; 1 1 0; 1...

6 months ago | 0

How to convert specified time to GMT/UTC?
https://uk.mathworks.com/help/matlab/ref/datetime.html#buhzxmk-1-TimeZone date = datetime({'18-Oct-2023 17:40:00' '18-Oct-2023 ...

6 months ago | 1

How to plot a current based on active voltage?
Well you have a plot inside your u_act function, which is gonna be called at each calculation step in ode15s. If you remove the...

6 months ago | 0

Change name and logo after Standalone Desktop Apps Compile
You can go to the app.UIFigure and change the identifiers. The image should be in the same folder as the app or the path must ad...

6 months ago | 1

Greetings, if you have a moment, I could use your help in resolving this error.
The error is fairly clear. It's either your model has a singularity, like dividing by a very small quantity. In this case, you n...

6 months ago | 1

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fprintf automatic spacing for strings of different lenghts
Something like this should do cities = ["Vila Lo" "Piao" "Chao de Frades" "Salmorrete" "Tortolindo"]; path = [1 2 3 4 5]; dis...

6 months ago | 1

How to overwrite existing text file without saving as new file
Hi, Might not be the fastest to do but it should work: text_file = 'text.txt'; text_data = readcell(text_file); text_data{en...

6 months ago | 0

DRAW LINES POINT TO POINT WHITH GINPUT
In the (x,y) plane : figure xlim([0 100]) ylim([0 100]) hold on i = 1 while true [x(i), y(i)] = ginput(1); scatt...

6 months ago | 1

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Creating function variables to be filled with EditField Inputs
Hi My guess is you don't need the app designer for such a simple thing. you could simply use the function input. So basicall...

6 months ago | 0

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How to draw a rectangle around the area that shows an energy variation
Since you said your issue was both finding the variation and drawing the rectangle. To find the variations, I would suggest us...

6 months ago | 0

How can i solve this equation with solve()
You have the explanation here : https://uk.mathworks.com/matlabcentral/answers/512646-what-is-z1-appearing-when-solving-this-non...

6 months ago | 0

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