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Feeds
Suggestions for image processing and filters for spray/mist images under varying pressures.
S = dir('./image*.bmp'); for k = 1:numel(S) N = S(k).name; I = im2gray(im2double(imread(N))); bg = median(I(:)...
5 jours il y a | 1
Saving large mat-files 2-4 GB takes 1 or 2 min. how to do things in paralell?
Use MATFILE: https://www.mathworks.com/help/matlab/ref/matlab.io.matfile.html "how to use save -append in the best manner so I...
7 jours il y a | 0
A soumis
Custom List / Arbitrary Sequence Sort
Sort a text array into the order of custom lists / arbitrary text sequences. Sort using alphabets that are NOT in ASCII/Unicode ...
12 jours il y a | 73 téléchargements |
A soumis
Customizable Natural-Order Sort
Alphanumeric sort of a cell/string/categorical array, with customizable number format.
12 jours il y a | 5819 téléchargements |
A soumis
Natural-Order Filename Sort
Alphanumeric sort of filenames or filepaths, with customizable number format.
12 jours il y a | 37129 téléchargements |
A soumis
Natural-Order Row Sort
Alphanumeric row sort of a cell/string/categorical/table array, with customizable number format.
12 jours il y a | 2298 téléchargements |
A résolu
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
20 jours il y a
A soumis
Maximally Distinct Color Generator
Generate maximally-distinct colors in an RGB colormap.
27 jours il y a | 2342 téléchargements |
How do I reliably extract the date from a string, given that it could be in a number formats and positions?
C = {'368446-SN.24260046-12.08.2026';... '368446-SN.24260046-12.08.26';... '368446-SN.24260046.12-08.26'}; tkn = re...
environ un mois il y a | 0
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Extract individual member fields from h5 file
Inspect the HDF5 layout What does Group actually point to? info = h5info(filename, Group) Look carefully at: info.Datatype ...
environ un mois il y a | 0
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I cant evaluate an expression after integrating using the symbolic toolbox
The main issue is that eval is not the correct way to convert symbolic expressions to numeric values. For symbolic results, use ...
environ un mois il y a | 1
| A accepté
How can i merge three mat.fig in a single figure as subplots which has multiple axis
The error get thrown because each .fig contains more than one axes object, so ax2 is not a scalar. When you write: ax2.Layout.T...
environ un mois il y a | 0
str2double function for HEX values
C = {'0.123', '0x1a', '0x1A', '0xAB', '0X1a', '0x1e', '12.5'}; V = cellfun(@convertValue, C) function val = convertValue(t...
environ 2 mois il y a | 1
| A accepté
Question about simscape.getLocalSolverFixedCostInfo returning MaxIterations = -1
Your understanding is basically correct, but there is an important distinction between: The fixed-cost local solver analysis pe...
environ 2 mois il y a | 0
How to use eval(sprintf) without padding?
filename = 'bis_trodes - Copy.txt'; % Read the text file as whitespace-delimited data. % This handles spaces and tabs between ...
environ 2 mois il y a | 0
Help with Saving a Matrix After Each Loop in a For Loop
The 18 matrices correspond to the 18 combinations of ii = 1:6 and kk = 1:3. Therefore, the separate jj loop is unnecessary. Inst...
environ 2 mois il y a | 0
| A accepté
writecell produces two cells when Range is a sigle cell
Try this: Rng = sprintf('%1$s%2$d:%1$s%2$d', ColmnName{jj}, irow); writecell(Cost, fnameout, 'Sheet', 1, 'Range', Rng); Learn...
environ 2 mois il y a | 0
| A accepté
What exactly does ε represent in numerical computing
Epsilon is just a letter. Like all letters, epsilon can mean lots of different things, just like the letters "alpha" and "gamma"...
environ 2 mois il y a | 0
Regression Learner App. Model Performance
You are probably not doing anything wrong. The confusion comes from the fact that the Regression Learner App reports multiple pe...
2 mois il y a | 0
| A accepté
How to ensurethat the sum([0.7 0.2 0.1])==1 return true when testing equivalence relation
"I think the error is caused by the floating number representation error, what is the best practice to compare two floating numb...
2 mois il y a | 2
| A accepté
A soumis
Daltonizer for Color Vision Deficiency
Simulate and Daltonize Images for Color Vision Deficiency (CVD/colorblind)
2 mois il y a | 22 téléchargements |
Command fscanf does not read zero
This looks correct to me: fid = fopen('test.txt','rt'); mat = fscanf(fid,'%f',[6,Inf]).' fclose(fid); For comprison: type t...
3 mois il y a | 0
A soumis
Fun Number Facts
A simple GUI which displays fun, interesting, and (occasionally) thought-provoking number facts. For entertainment purposes only...
3 mois il y a | 9 téléchargements |
datetime format with T time demarcation
dt1 = datetime(2023,8,1,11,07,56, "Format","yyyy-MM-dd'T'HH:mm:ss") dt2 = dt1 + minutes(1)
3 mois il y a | 0
When does distributing data improve computation time over overhead expense?
Let’s break your three questions down clearly. 1) Yes, syntactically and conceptually, your usage is correct. However, correctn...
3 mois il y a | 1
| A accepté
Overwriting table columns with ()-indexing
I supect that the cause is consistency of behavior. Consider your example but not replacing the entire column, but only from one...
3 mois il y a | 1
| A accepté
Why can't I use "end-2:end" for the meaning of last 2 columns?
"Why can't I use "end-2:end" for the meaning of last 2 columns?" Because that specifies the last three columns. The last two co...
3 mois il y a | 2
Possible to use box or violin plots, with unequal x and y axis spacing?
Horizontal, stats toolbox: x_positions = [1.2,3.5,7.8]; data = [ randn(50,1)+1; randn(50,1)+2; randn(50,1)+3 ]...
3 mois il y a | 0
| A accepté
A soumis
Convert between RGB and Color Names
RGB to color name. Color name to RGB. Supports many palettes: CSS, dvips, HTML, MATLAB, RAL, SVG, X11, xcolor, xkcd,...
3 mois il y a | 3397 téléchargements |
What is the main difference between matlab and simlink
MATLAB (MATrix LABoratory) is a programming language and computational environment. What it’s used for: Numerical computing D...
3 mois il y a | 1
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