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Feeds
Filepath to a file required by a MATLAB Web App is being shortened in a very unusual way
The path is being truncated explicitly by this indexing operation: EASEELibPath = EASEEJarPath(1:end-25); Indexing like that i...
1 day ago | 0
| accepted
Submitted
Next Available Filename
Return the next unused filename, incrementing an integer as required.
1 day ago | 529 downloads |
Is rowfun Showing Strange Behavior when the Target Function Returns an Empty Output?
Interesting. Apparently you have discovered a way to generate a fundamentally malformed table :) My guess about the behaviors ...
2 days ago | 1
Submitted
Number to Scientific Prefix
Convert a numeric value to SI-prefixed text (aka engineering / metric prefix). Bonus: binary prefixes!
3 days ago | 1755 downloads |
Submitted
Scientific Prefix to Number
Convert SI-prefixed text (aka engineering / metric prefix) into numeric values. Bonus: binary prefixes!
3 days ago | 741 downloads |
How to access elements with same field names in an array of structures without using a loop?
"How to access elements with same field names in an array of structures without using a loop?" There is no way using your data,...
7 days ago | 0
| accepted
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(:)...
14 days ago | 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...
16 days ago | 0
Submitted
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 ...
21 days ago | 73 downloads |
Submitted
Customizable Natural-Order Sort
Alphanumeric sort of a cell/string/categorical array, with customizable number format.
21 days ago | 5824 downloads |
Submitted
Natural-Order Filename Sort
Alphanumeric sort of filenames or filepaths, with customizable number format.
21 days ago | 37154 downloads |
Submitted
Natural-Order Row Sort
Alphanumeric row sort of a cell/string/categorical/table array, with customizable number format.
21 days ago | 2300 downloads |
Solved
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:...
29 days ago
Submitted
Maximally Distinct Color Generator
Generate maximally-distinct colors in an RGB colormap.
1 month ago | 2347 downloads |
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...
1 month ago | 0
| accepted
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 ...
1 month ago | 0
| accepted
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 ...
1 month ago | 1
| accepted
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...
1 month ago | 0
str2double function for HEX values
C = {'0.123', '0x1a', '0x1A', '0xAB', '0X1a', '0x1e', '12.5'}; V = cellfun(@convertValue, C) function val = convertValue(t...
2 months ago | 1
| accepted
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...
2 months ago | 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 ...
2 months ago | 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...
2 months ago | 0
| accepted
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...
2 months ago | 0
| accepted
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"...
2 months ago | 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...
3 months ago | 0
| accepted
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...
3 months ago | 2
| accepted
Submitted
Daltonizer for Color Vision Deficiency
Simulate and Daltonize Images for Color Vision Deficiency (CVD/colorblind)
3 months ago | 23 downloads |
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 months ago | 0
Submitted
Fun Number Facts
A simple GUI which displays fun, interesting, and (occasionally) thought-provoking number facts. For entertainment purposes only...
3 months ago | 9 downloads |
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 months ago | 0
