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4 Questions
9,276 Answers
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Feeds
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 ...
1 hour ago | 70 downloads |
Submitted
Customizable Natural-Order Sort
Alphanumeric sort of a cell/string/categorical array, with customizable number format.
1 hour ago | 5816 downloads |
Submitted
Natural-Order Filename Sort
Alphanumeric sort of filenames or filepaths, with customizable number format.
1 hour ago | 37106 downloads |
Submitted
Natural-Order Row Sort
Alphanumeric row sort of a cell/string/categorical/table array, with customizable number format.
1 hour ago | 2295 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:...
8 days ago
Submitted
Maximally Distinct Color Generator
Generate maximally-distinct colors in an RGB colormap.
15 days ago | 2339 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...
20 days 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 ...
22 days 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 ...
23 days 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...
23 days 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...
1 month 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...
1 month 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 ...
1 month 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...
2 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...
2 months ago | 2
| accepted
Submitted
Daltonizer for Color Vision Deficiency
Simulate and Daltonize Images for Color Vision Deficiency (CVD/colorblind)
2 months ago | 22 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...
2 months ago | 0
Submitted
Fun Number Facts
A simple GUI which displays fun, interesting, and (occasionally) thought-provoking number facts. For entertainment purposes only...
2 months ago | 7 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)
2 months ago | 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...
2 months ago | 1
| accepted
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 months ago | 1
| accepted
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 months ago | 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 months ago | 0
| accepted
Submitted
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 months ago | 3395 downloads |
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 months ago | 1
| accepted
Discussion
Rethinking Line Length in Scientific / MATLAB Code
Many widely cited code style guides originate from large-scale software engineering contexts: multi-developer teams, large codeb...
3 months ago | 0
datestr returns erroneous result (MATLAB Version: 9.9.0.2037887 (R2020b) Update 8)
"When I provide datestr with a datenum produced by a format, it does not return the same value" It does when you provide the co...
3 months ago | 0
| accepted
