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Feeds
In a cell array of cell arrays, how to map elements of lower-level arrays to the indices of these arrays in the upper-level array?
"I can do it running a for-loop and checking every subarray in c1, but I hope there is a more elegant solution." An efficient a...
6 days ago | 0
| accepted
How can I establish a logical expression from given truth table using MATLAB?
You could use my Espresso wrapper: https://www.mathworks.com/matlabcentral/fileexchange/183127-espresso4matlab which returns a...
13 days ago | 0
how to simplify logic functions when i have truth table or k-map
You could use my Espresso wrapper: https://www.mathworks.com/matlabcentral/fileexchange/183127-espresso4matlab which returns a...
13 days ago | 0
Mission Synthesis test labs results does not match my code from Matlab. Using test labs to verify the formulation and my code.
1 Hz integration grid is much too coarse for a 5% damped SDOF, especially at a natural frequency of 6 Hz. %% Step 1: Define the...
22 days ago | 1
how to fix the warning: colon operands must be real scalars
"If you explain the warning and what needs changed I'll see if I can fix it without needing to send all the code" This is the c...
27 days ago | 1
| accepted
How do I convert table columns from decimals to percentages?
"The best way to achieve this is to use "arrayfun" on the columns you want to convert." It is simpler to use COMPOSE: names = ...
27 days ago | 0
The QUBO function cannot yield the correct solution to my problem.
The issue is that MATLAB’s hessian returns twice the quadratic coefficient matrix required by qubo. For the penalized objective...
29 days ago | 1
| accepted
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 month ago | 0
| accepted
Submitted
Next Available Filename
Return the next unused filename, incrementing an integer as required.
1 month ago | 558 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 ...
1 month ago | 1
| accepted
Submitted
Number to Scientific Prefix
Convert a numeric value to SI-prefixed text (aka engineering / metric prefix). Bonus: binary prefixes!
1 month ago | 1778 downloads |
Submitted
Scientific Prefix to Number
Convert SI-prefixed text (aka engineering / metric prefix) into numeric values. Bonus: binary prefixes!
1 month ago | 761 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,...
1 month 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(:)...
2 months 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...
2 months 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 ...
2 months ago | 89 downloads |
Submitted
Customizable Natural-Order Sort
Alphanumeric sort of a cell/string/categorical array, with customizable number format.
2 months ago | 5853 downloads |
Submitted
Natural-Order Filename Sort
Alphanumeric sort of filenames or filepaths, with customizable number format.
2 months ago | 37239 downloads |
Submitted
Natural-Order Row Sort
Alphanumeric row sort of a cell/string/categorical/table array, with customizable number format.
2 months ago | 2322 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:...
2 months ago
Submitted
Maximally Distinct Color Generator
Generate maximally-distinct colors in an RGB colormap.
2 months ago | 2375 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...
2 months 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 ...
3 months 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 ...
3 months 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...
3 months 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...
3 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...
3 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 ...
3 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...
3 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...
3 months ago | 0
| accepted
