Answered
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....

25 days ago | 0

Answered
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,[]) , ...

25 days ago | 0

Answered
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-...

25 days ago | 0

| accepted

Answered
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...

25 days ago | 0

Answered
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 ...

25 days ago | 0

Answered
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...

27 days ago | 0

| accepted

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

27 days ago | 0

| accepted

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

30 days ago | 0

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

30 days ago | 0

| accepted

Answered
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...

1 month ago | 0

| accepted

Answered
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 ...

1 month ago | 1

Answered
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...

1 month ago | 0

| accepted

Answered
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...

1 month ago | 0

Answered
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...

1 month ago | 0

| accepted

Answered
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...

1 month ago | 0

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

1 month ago | 0

Answered
Controlling aspect ratio for tiled layout
[epsilon, phi,omega]=deal(rand(10), rand(10), rand(10,1)); tiles = tiledlayout(1,3); tiles.TileSpacing = 'loose'; ax1 = ...

1 month ago | 0

Answered
Why does my matrix not change with each iteration?
I don't know why you think B should be changed by the loop when you generate it prior to the loop and never touch it again. Perh...

1 month ago | 0

| accepted

Answered
Optimization of Material Parameters
lsqcurvefit

1 month ago | 0

| accepted

Answered
Doc links no longer work
I experienced this and found it was because of name conflict between one of my user-authored mfiles and a MathWorks-authored mfi...

1 month ago | 0

Answered
Can I run online a version different from the latest?
I don't think you can select an earlier Matlab version in Matlab Online.

1 month ago | 0

| accepted

Answered
How to customize the markers of the scatter figure, as shown below
Here's one way. Not sure you'll like the gymnastics that it requires: [x,y]=deal(rand(1,40), rand(1,40)); %scattered input dat...

1 month ago | 2

| accepted

Answered
Linear indices from colon operator
[I,J]=ndgrid(p1:p2,p3:p4); linear=sub2ind(size(array) , I,J);

1 month ago | 1

| accepted

Answered
Geometry properties in 3D (area, volume, moment of inertia...)
You can project your planar points into a 2D coordinate system and then use whatever 2D methods you had used previously to compu...

1 month ago | 0

Answered
Finding contiguous regions of interest in a mask and calculating the mean values of those regions when the mask is applied to an array
myImage=myImage'; L=L'; Lmax=max(L(:)); result=cell(1,Lmax); for i=1:Lmax result{i}=rasterMean(myImage(L==i...

1 month ago | 0

| accepted

Answered
Handling missing observations while using fmincon
They should be zeros rather than NaNs, shouldn't they? With zeros, they will make no contribution to the linear part of the pred...

1 month ago | 0

Answered
Filtering nose and removing spikes at local areas
Consider isoutlier.

1 month ago | 0

Answered
Develop a generalize MATLAB code to * perform the following transformations on a pentagon defined by the points A, B, C, D, and E, where the coordinates are based on the last
Consider polyshape

1 month ago | 0

Answered
I want the input of the neural network to be of data type 'SCB'
You haven't listed your Matlab version, but in newer versions, you are encouraged to be training with trainnet instead of trainN...

1 month ago | 0

Answered
randomAffine3d is not properly random
EDITED: If you don't like what the default randomizer is doing, randomAffine3d() also let's you define your own, e.g., ori = [e...

1 month ago | 0