Question

Why does .mat file previewer take so long?
I often wish to preview the contents of a .mat file in the Current Folder browser. Some of my .mat files are quite large, which ...

ongeveer een maand ago | 1 answer | 0

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Submitted

Further tools for analyzing objects in N-dimensional images
A collection of tools to supplement bwpropfilt, bwareaopen, and the like.

ongeveer een maand ago | 3 downloads |

Question

How do I import my MATLAB path preferences when I install MATLAB on new computers?
I have a new computer with Matlab 2024b newly installed on it and am looking to import preference settings (mainly desktop layou...

ongeveer een maand ago | 1 answer | 0

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Question

Command Window prompt stays in view during Run Section
I find, in R2024b (I haven't checked other versions), then when running sub-sections of code, for example with , the command li...

ongeveer een maand ago | 1 answer | 0

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Answered
how to fft2 with dlarray?
You haven't explained the difficulty you are experiencing, but I assume it is that an fft(), but not an fft2() command is availa...

ongeveer een maand ago | 0

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Answered
Iteratively selecting rotation angle for alingment
Use imregtform if you are aligning images. If you are aligning points, use this, https://www.mathworks.com/matlabcentral/fileex...

ongeveer een maand ago | 0

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Ensuring Non-Negativity and Constraints Satisfaction in Regression with ReLU in MATLAB
You cannot request that trainNetwork strictly enforce constraining (in)equalities using a constrained optimization algorithm, if...

ongeveer een maand ago | 0

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How to stabilize the edge effects in a cubic B-spline?
This FEX file allows you to specify extrapolation conditions on the B-spline coefficients, https://www.mathworks.com/matlabcent...

ongeveer een maand ago | 1

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How come fsolve is exceeding evaluation limit?
I don't quite understand the physics of your problem, but I have the impression that x(3:5) are meant to be non-negative. Hence,...

ongeveer 2 maanden ago | 0

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ellipse fit of xy data
I think the arc is too short to get a good elliptical fit. Why not a circular fit? Qualitatively at least, it looks pretty good:...

ongeveer 2 maanden ago | 0

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Why does this special case for associativity of a matrix product with a hadamard product hold true?
It is clear why this happens when n=1, i.e, when A*B is an outer product. But now for arbitrary n, the matrix product can be wri...

ongeveer 2 maanden ago | 1

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Answered
Private/protected properties not suggested by methods in class folder
If this is a bug or oversight, I hope it's resolved soon (or perhaps already is in a release later than 2023b) I actually think...

ongeveer 2 maanden ago | 0

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how to crop a binary mask to remove all black pixels while maintaining the largest area of white pixels?
result = regionprops(bwareafilt(mask,1), 'Image').Image;

ongeveer 2 maanden ago | 0

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I would like to introduce a new loss function.
If the context is deep learning, then you should be using trainnet, whcih allows you to specify the loss function without any ot...

ongeveer 2 maanden ago | 0

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How to load multiple mat file in sequence without natsortfiles?
F=sort("file"+(1:14)+".mat"); F=F(randperm(end)) %Unordered file list [~,is]= sort( str2double(extract(F,digitsPattern)) ...

ongeveer 2 maanden ago | 0

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Can I get output data from CNN convolution layer without training?
When not training, it is better to use predict(), rather than forward(). layers = [ imageInputLayer([512 512 3],Normalization=...

ongeveer 2 maanden ago | 0

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How does MATLAB resolve a function handle with multiple levels of indexing
Well, ultimately I think Approach 3 is the only 'correct' one. It appears that when the indexing is one level deep (as in Approa...

ongeveer 2 maanden ago | 1

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Answered
Help fixing different sized plots with tiled layout
Since you use imagesc to generate the subfigures, it seems to me that you should be using axis image. tiledlayout(3,3,"TileSpac...

ongeveer 2 maanden ago | 1

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Answered
Solving non linear system with fsolve
R is too small compared to C to have any effect numerically, so the equation is basically C*T=f. I'm assuming also that you mean...

2 maanden ago | 0

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How to permute the rows and columns in a sparse GPU matrix?
The permAndRebuild() function below is a reimplementaiton of the row permutation operation M(p,:) that also works on the GPU. On...

2 maanden ago | 1

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Answered
How to get correct pixel size in 2D after cut 3D voxel using obliqueslice
IMHO obliqueslice is a bit of a crude tool for slice sampling. One of the many things you can do with this FEX package, https:/...

2 maanden ago | 0

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Vectorisation of a function solving two symbolic equations with two unknows and using structures
function [Intersection1,Intersection2] = intersection_cercle_test(vector_rays, point_rays, radius_circle, point_center_circle) ...

2 maanden ago | 2

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Answered
convert pixels to object coordinates
Gimbal is pointed to (pointAt) specific coordinates of a point of interest (POI). So, I can read azimuth and elevation angle of ...

2 maanden ago | 0

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Is there a function to tell if Matlab is using little-endian or big-endian on current computer?
function endianType = checkEndian() % Typecast uint16(1) to uint8 to examine the byte order byteValue = typecast(uin...

2 maanden ago | 0

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I want to divide an array up into sections and add each section to its own column in a table.
Using mat2tiles from the File Exchange (download from here), example = rand(85,48); xcell=mat2tiles(example,[inf,8]); ...

2 maanden ago | 0

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DL Network Designer, Sequential LSTM regression
The train() command is not applicable to networks composed with the Deep Learning Toolbox. You need to use trainnet, or its olde...

2 maanden ago | 1

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How do I convert my nested for loop into a nested parfor loop?
One way: tpres3d = tpres_U + tpres_V*sqrt(-1); %36x34x8812 [a,b,c] = size(tpres3d); T0=reshape(tpres3D,[],c).'; Ttides_hfd...

2 maanden ago | 0

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How do I load and display an image stored in a separate .mat file?
If you look at, disp(image) you will see that image is a struct as the error message is telling you. What you probably meant t...

2 maanden ago | 0

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Answered
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.

2 maanden ago | 0

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

2 maanden ago | 1