Matt J

Last seen: Today | Con actividad desde 2009

Followers: 12 Following: 0

Mensaje

Professional Interests: medical image processing, optimization algorithms PLEASE NOTE: I do not read email sent through my author page. Please post questions about FEX submissions in their respective Comments section.

Estadística

All

Ver insignias

Feeds

Respondida
How to interpolate/extract row from essentially 1-D lookup table
The interpolated table data given to a 1D Lookup Table can have multiple columns. So just set it to backEMF as is.

31 minutos hace | 0

Respondida
What is the state structure for mixed integer ga optimization?
memoize might be a more direct way to achieve what you are pursuing.

1 día hace | 0

Respondida
.exe included during compiling is missing
I would guess, based on your other posts, that it was unpacked in a subfolder of ctfroot. That could have occurred if you direct...

1 día hace | 0

| aceptada

Respondida
fittting data using nonlinear optimization fminsearch
I see two things that might be a problem. First, your model equation might be reasonable for the envelope of the ACF curves you ...

1 día hace | 0

Pregunta

A-version versus B-version of MATLAB
I have heard some accounts that the A-version of a certain year's Matlab release (e.g. R2023A) is intended as a beta-release whi...

2 días hace | 1 respuesta | 0

1

respuesta

Respondida
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...

4 días hace | 0

| aceptada

Respondida
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...

4 días hace | 0

Respondida
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);

6 días hace | 2

Respondida
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.

7 días hace | 0

Respondida
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...

8 días hace | 1

| aceptada

Respondida
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...

8 días hace | 0

| aceptada

Respondida
Identifying and extracting clusters of points from image
Perhaps clusterdata.

8 días hace | 0

Respondida
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...

14 días hace | 0

| aceptada

Respondida
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...

15 días hace | 0

| aceptada

Respondida
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...

15 días hace | 0

Respondida
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...

16 días hace | 0

Respondida
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"...

16 días hace | 0

Respondida
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))'; ...

16 días hace | 1

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

16 días hace | 0

Respondida
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....

16 días hace | 0

Respondida
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,[]) , ...

17 días hace | 0

Respondida
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-...

17 días hace | 0

| aceptada

Respondida
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...

17 días hace | 0

Respondida
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 ...

17 días hace | 0

Respondida
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...

18 días hace | 0

| aceptada

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

19 días hace | 0

| aceptada

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

21 días hace | 0

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

21 días hace | 0

| aceptada

Respondida
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...

23 días hace | 0

| aceptada

Respondida
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 ...

23 días hace | 1

Cargar más

Matt J

Estadística

MATLAB Answers

MATLAB Answers

Cody

Cody

File Exchange

File Exchange

Cody

Cody

Cody

Cody

Cody

MATLAB Answers

Feeds

1