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Feeds
App Designer: Push-button and keep certain variables in workspace
Have the function store the data in a property of the app. https://www.mathworks.com/help/matlab/creating_guis/manage-propertie...
16 minutes ago | 0
I am trying to generate a plot for the 3x+1 problem for the seed 10^310 but i am unable to get the plot? Why
It's because 1e309 is too large for double float math to handle. The largest integer that can be expressed in double float preci...
2 days ago | 1
Wierd wiggle in plot of symbolic expression
There appears to be a mistake in your expression for cutoff(). Also, using floor(t) for the upper limit of the symsum makes it h...
3 days ago | 1
Wierd wiggle in plot of symbolic expression
Seems like a lot of unnecessary symbolic math gymnastics for such a simple function. IB0=@(t) min(t,1); fplot(IB0,[0,9], 'Li...
4 days ago | 2
Create figures with different number of images but same sizes
If you mean you want a common image size across all axes in both figures, I think the best that you can do is relocate both layo...
4 days ago | 0
Solving a system of a changing number of nonlinear equations
Because your equations are 4-th order polynomials, they are apt to have multiple roots. You probably won't get a physically sens...
5 days ago | 0
Merging multiple dictionaries with dictionaries
A = dictionary(dictionary(["key1"], {1}), dictionary(["key2"], {2})); A(dictionary(["key3"], {3})) = dictionary(["key4"], {4});...
5 days ago | 1
| accepted
Merging multiple dictionaries with dictionaries
f=@(i) {dictionary(["key"+i], {i})} A = dictionary(f(1), f(2)); A(f(3)) = f(4) B = dictionary(f(5), f(6)); B(f(7)) = f...
5 days ago | 0
Does setting BiasLearnRateFactor=0 prevent bias updates in a fullyConnectedLayer?
Yes.
6 days ago | 0
How to Interpolate and Find X given Y
Here's yet another approach that uses linexlines2D, downloadable from, https://www.mathworks.com/matlabcentral/fileexchange/934...
6 days ago | 0
How to Interpolate and Find X given Y
One way: x = [50 43 35 22 15 12 11 10 8.5 6.5 5.75 5 4 3 2.75 2.5 2.25 2 1.67 1.37 1.2 1 0.7 0.55 0.3 0.25]; y = [0.3 0.35 0...
7 days ago | 0
| accepted
Issues with overlapping graphs in nested tiledlayouts
Remove the line nexttile(t_lrg) It creates an axes in the outer layout.
7 days ago | 0
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How is calculated the determinant of a matrix containing a fourier transform?
N=1024; Fs=4000; f=(0:(N-1-ceil((N-1)/2)))/N*Fs; jw = 1j*2*pi*f; determinant = (jw-x2).*y1 - (jw-x1).*y2 ;
9 days ago | 0
| accepted
For the trainNetwork function, progress plots for training are not closing, except if done manually. How do I close it? I have tried close all, close force, close(fig), & more
Try resetting your GPU. gpu = gpuDevice; reset(gpu); close all force
9 days ago | 0
Question about using "diary" command
I don't see anything about it in the documentation, but it makes sense that the file write would be postponed until after all te...
10 days ago | 0
| accepted
Submitted
Further tools for analyzing objects in N-dimensional images
A collection of tools to supplement bwpropfilt, bwareaopen, and the like.
11 days ago | 1 download |
Submitted
Fit polyshape to objects in image
Given a 2D binary or label image of a number of objects, returns a "best-fit" polyshape to the boundaries of the objects.
11 days ago | 4 downloads |

help me get the points of the mask
You can try bwlpolyshape(), downloadable from, https://www.mathworks.com/matlabcentral/fileexchange/181422-fit-polyshape-to-obj...
11 days ago | 0
Please help me. I want to run this attached simple code
Do what the error message says. Use .^ instead of ^
12 days ago | 0
Problem with fit Model with odd order polynomial
Don't use a custom fit type. Use the builtin poly5 fit type, with bounds on the even degree coefficients. [x,y] = readvars('Dis...
15 days ago | 1
| accepted
setting current directory using cd from inside .mlapp files
I can't say I'm super happy with cd's unreliable functionality but glad for an alternate solution. It's not cd() that is at fau...
15 days ago | 0
Zero-Padding Position for FFT
If you only care about the amplitude spectrum the shifts don't really matter, but otherwise, you would do, n=floor(numel(x)/2)+...
15 days ago | 0
How do I correctly find parameters using the fittype function without it just using my initial guesses?
This uses fminspleas, downloadable from, https://www.mathworks.com/matlabcentral/fileexchange/10093-fminspleas It requires an...
17 days ago | 1
| accepted
Is it possible to preview the contents of MAT files in R2025a?
If you right-click on the .mat file in the Current Folder pane, you will see a Preview option: ...
18 days ago | 0
| accepted
Reading column vectors from table with header text as variable name
You should never be letting code decide what to name variables. You should know the names. If you do, just use readvars, [Var1,...
18 days ago | 0
Dual simplex method for problems not dual feasible
Can anyone point me to any references that detail how the dual simplex method works for problems that are not dual feasible. I...
19 days ago | 0
Dual simplex method for problems not dual feasible
This is not always true. It is always true, by the Strong Duality Theorem. Once it has been determined that the dual is infeasi...
21 days ago | 0
looking for strictly recurrent and fast moving median implementation
It sounds like you should be using Simulink, in particular a median filter block, https://www.mathworks.com/help/dsp/ref/median...
21 days ago | 0
Undefined function handle error when loading a neural network that contain a function layer
I tried to save the function in a dedicated file "Feature_wise_LM.m" , but it didn't work It should work. Make sure the locati...
21 days ago | 0
Indexing vectors with a zero and creating a "predicted" vector knowing what the diff should be
Here's an approach using the an integer-constrained linear fitting routine minL1intlin, downloadable from https://www.mathwork...
22 days ago | 0