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Why the start point of boundingbox of regionprops is not integers, but offset with 0.5?
In the conventions of regionprops(), the centers of the pixels have coordinates at the natural integers. The coordinates that Bo...

2 months 前 | 0

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How to impove multistart/lsqnonlin solution selection when difference between Fvals is too small to discern from rounding noise.
I have tried calculating the residuals using VPA arrays at 35 significant digits Do you really need to keep all 35? I imagine y...

2 months 前 | 0

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Fastest way to find the values and indices of the entries of a vector X that are closest to each entry of a matrix A.
result_idx = reshape( interp1(X,1:numel(X),A(:),'nearest','extrap') ,size(A)); result_val=abs(X(result_idx)-A);

2 months 前 | 2

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I cannot use interp2 function instead of griddata
scatteredInterpolant is supported for Code Generation as of R2024b, so if you can upgrade from R2019b, that might sove it.

2 months 前 | 0

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Multimodal image registration: Is it possible to register an X-Ray to an MRI in Matlab?
There are no native Matlab commands to do even mono-modality 2D-3D image registration. As a first step, you would probably need...

2 months 前 | 1

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Numerical search for the singular points of a complex matrix
and it is easy for me to procure initial guesses that work If so, just use fminsearch, p = fminsearch(@(p) det(Z(p)) ,[sigm...

2 months 前 | 0

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Identifying and extracting clusters of points from image
Perhaps clusterdata.

2 months 前 | 0

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How to compute the intersection point of the indifference curve and the cml curve?
You've negelected to tell us what the independent variable is. If I assume it is Annu_rf, then one way would be, U=@(Annu_rf) A...

3 months 前 | 0

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How do I use a .exe compiled with an app in app designer?
If you are using the deploytool app to compile, you can include analysis.exe via the section "Files required for your applicatio...

3 months 前 | 0

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train neural net with prior solution
Your post is under-detailed and does not tell us how the network and training are implemented. If I assume you are using trainne...

3 months 前 | 0

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Pause button not functioning
Try using waitfor instead, along with some sort of uicontrol, e.g., % Create the figure fig = figure; % Add a button to ind...

3 months 前 | 0

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Why does converting categorical(0) to double add 1?
It doesn't add 1. It just enumerates your categories (in numerical or alphabetal order), e.g., double( categorical(["dog","cat"...

3 months 前 | 0

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Converting 1x1 struct with multiple fields to numeric matrix
tieup.x1 = '2,3,6'; tieup.x2 = 3; tieup.x3 = 4; tieup.x4 = '1,4,5'; tieup.x5 = '1,2,3,6'; f=string(fieldnames(tieup))'; ...

3 months 前 | 1

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How to resolve this error?
[y, e] = hFDAF(x, d);

3 months 前 | 0

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How to find values in a nested struct with repeating fieldnames?
I think a loop in combination with the find function could do the trick, but this seems like an inefficient and error-prone way....

3 months 前 | 0

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multiply a matrix into every block matrix in a big matrix
Hc=[1,2;3,4]; A=kron(ones(3),eye(2)); %2x2 blocks Aij blockheight=2; result=reshape( Hc*reshape(A,blockheight,[]) , ...

3 months 前 | 0

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multiply a matrix into every block matrix in a big matrix
You can download this package, https://www.mathworks.com/matlabcentral/fileexchange/115340-block-transposition-permutation-and-...

3 months 前 | 0

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Are there MATLAB functions or scripts to perform boolean operations on triangulated solids?
If you mean you want to take intersections and unions of meshes, then no, there are no MathWorks-authored commands to do that. H...

3 months 前 | 0

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How to save and load MATLAB app?
The app object contains handles to all the app's uicontrols, but your LoadConfigMenuSelected callback doesn't reference any of ...

3 months 前 | 0

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How to get the Class Names from a dlNetwork?
After you've trained the model as a dlnetwork, there is nothing stopping you from converting it back to a traditional SeriesNetw...

3 months 前 | 0

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handling data inside for loop
dataAllFiles4 = cell(2,length(csvFiles4)); dataIndex = 1 for k4 = 1:length(csvFiles4) % Get the full file name b...

3 months 前 | 0

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Identifying Boundary Nodes in a Point Cloud
If the regions are supposed to be convex, you can use convhull or convhulln.

3 months 前 | 0

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How to find the multiplication or division value of a matrix for each row and column in matlab
A.*B A./B

3 months 前 | 0

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Overlay data points on image plot and only rotate image points not the image using imref2d
load B.mat; %load reverse imcomplement of image load x_world load y_world figure(1); theta = -90; %rotate image counterclock...

3 months 前 | 0

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What is the correct way to save a large MATLAB structure?
but how can 56GB of "overhead" be considered acceptable? It depends on what your struct contains. Field data containing handle ...

3 months 前 | 1

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How to remove all NaN and Inf values when calculate the mean?
If you're saying you want to take the column-wise mean, ignoring zeros and non-finite values, then you could do, exclude = (Lo...

3 months 前 | 0

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Can MATLAB do a 2-D FFT on a uniform parallelogram grid of measured points?
I need to Fourier Transform my parallelogram grid of measured values into ground freq domain, the Inv FT that into ground time d...

3 months 前 | 0

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How to find the point the graph crosses the x axis
x = @(t) (0.3) .* exp(-3 .*t) .* cos(4 .* t) + 0.2 .*exp(-3 .* t) .* sin(4 .* t); firstroot = fzero(x,[0,1]) %% graphs par...

3 months 前 | 0

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After segmentation how to save number of subobejcts for each objects
If you mean you want to extract the sub-images forming the bounding box of each circle, then perhaps something like the followin...

3 months 前 | 0

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How to use fsolve to solve all the equations?
given too many results Perhaps you should use uniquetol, rather than unique.

3 months 前 | 0