Stephen23

Active since 2014

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Answered
input argument order in deep learning functions
"For those that have many input arguments, does the order of the input arguments affect the result of the function." In general...

ungefär 15 timmar ago | 0

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Answered
For loop using Struct data with multiple values per timepoint
This would be a thousand times easier to answer if you had uploaded some sample data in the original format. Instead of actuall...

ungefär 18 timmar ago | 0

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Answered
How can I create a loop to check each matrix element?
The MATLAB approach, without using loops and IFs like some low-level programming language: mxt = [ +90,+180,+200, +32, +99,+123...

2 dagar ago | 0

Answered
How to Open all of .mat file in one folder?
P = 'absolute or relative path to the folder where the files are saved'; S = dir(fullfile(P,'*.mat')); for k = 1:numel(S) ...

2 dagar ago | 1

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Answered
reading files of folders with specific name styles
P = 'absolute or relative path to where the folders are'; S = dir(fullfile(P,'Att*','*.*')); % specify the file extensions for...

2 dagar ago | 0

Submitted

Number to Scientific Prefix
Convert a numeric value to SI-prefixed text (aka engineering / metric prefix). Bonus: binary prefixes!

4 dagar ago | 8 downloads |

Submitted

Scientific Prefix to Number
Convert SI-prefixed text (aka engineering / metric prefix) into numeric values. Bonus: binary prefixes!

4 dagar ago | 4 downloads |

Answered
Summing Associated Values without Loop
A = [1,2;5,7;1,-1;3,5;5,2;1,7] [U,~,X] = unique(A(:,1),'stable'); V = accumarray(X,A(:,2)); M = [U,V] Or another approach: ...

4 dagar ago | 0

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Answered
Automatically load a struct from a struct with a variable name
"The path to the sub-struct should be generated automatically" Assuming that the MAT file contains exactly one variable (your s...

5 dagar ago | 0

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Answered
precision problem when creating a time vector
"But this should normally not be the case." What you show is the completely normal and expected behavior of binary floating poi...

5 dagar ago | 3

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Answered
Num2str without conversion character but with horizontal tab
"...a text file that looks like this:" channelname_1[tab]channelname_2[tab]...channelname_n[tab][newline] units_1[tab]units_2[...

5 dagar ago | 0

Answered
How to index a matrix to make it from a vector, taking some elements from the vector and put them in a new row?
A general approach: V = 43:56; N = 3; C = numel(V); M = V .* tril(triu(ones(C-N+1,C)),N-1); disp(M)

5 dagar ago | 0

Answered
Run a function inside a for loop 10,000 times and record the 3 separate outputs for each trial
Assuming that each output is a scalar double: N = 1e4; S = nan(1,N); M = nan(1,N); L = nan(1,N); for k = 1:N [S(k),M(k...

5 dagar ago | 0

Answered
Sorting a matrix based on another matrix
[driver_data,idx] = sortrows(driver_data,2); driver_names = driver_names(idx,:);

5 dagar ago | 0

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Answered
Why does my .csv file create spaces between each of my data points? It makes it to where I cannot graph precipitation against the date.
T = readtable('2022BRPREC.csv') plot(T.DATE,T.PRCP)

5 dagar ago | 0

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Answered
Replacing special character 'É' to 'E'
"Is there a Matlab function to replace the special characters (like 'É')" You can call Python from MATLAB, and it can do the he...

5 dagar ago | 0

Answered
i want to get string array corresponding another num array
Aold = ["a","b","c"]; Bold = [4,5,6]; Bnew = [6,4,5]; [X,Y] = ismember(Bnew,Bold); Anew = Aold(Y(X))

6 dagar ago | 0

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Answered
fprintf command reading my input matrix by column and displays incorrectly.
fprintf(fileID,'%10d %15d\n',COORD.'); % ^^ transpose "I can't find what I'm doing wrong onlin...

8 dagar ago | 0

Answered
Find a specific characters in a string
C = {'Arg', 'Asp', 'Cys', 'Glu','Lys','Tyr'}; T = 'MetArgGlyLeuAspTrpAspGlyAsn'; R = join(string(C),'|'); A = regexp(T,R,'mat...

9 dagar ago | 0

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Answered
I need to group certain hours of a day into day and night categories from my xlsx file in the format "yyyy-MM-dd'T'HH:mm:ss."
fnm = 'allship2018-2020_1_data_2.xlsx'; obj = detectImportOptions(fnm); obj = setvartype(obj,'BaseDateTime','datetime'); tbl ...

10 dagar ago | 0

Answered
Extracting the name of my cell array to use for figure titles
"Some guidance on a function I have overlooked ..." This one: https://www.mathworks.com/help/matlab/ref/inputname.html Using E...

11 dagar ago | 0

Answered
shift a block of rows to the end of a matrix
A = [0,0.2;0,0.1578;0,0.0721;0,0;0,0;0.2,0;0.3993,0;0.4,0;0.5428,0;0.6,0] N = find(all(A==0,2),1,'first'); B = circshift(A,-N,...

11 dagar ago | 0

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Answered
fprintf for multiple variables
a = 3; b = [2,3;1,5]; fprintf('The number: %d\nThe points: (%d,%d) (%d,%d)\n', a, b.');

11 dagar ago | 0

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Answered
What is the need for a nested function?
"I do not quite see the need for the 'function nma_project_511()'" There are two main ways to pass extra parameters to function...

12 dagar ago | 1

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Answered
How to convert excel date and time data into numerical integer matrix [year, month, day, hour, minute, second]
fnm = 'sample data.xlsx'; obj = detectImportOptions(fnm); obj = setvartype(obj,'date','datetime'); obj = setvartype(obj,'time...

12 dagar ago | 0

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Answered
Unrecognized variable, want to create a list of variable
The basic problem appears to be your attempt to re-define these parameters again inside every function, thus obliterating the in...

12 dagar ago | 1

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Answered
Avoid for loop in multi-dimensional problem
Some ideas: format compact A = cat(3,[0,-2*pi;2*pi,0],[0,-4*pi;4*pi,0]) % use CAT() A = pi*cat(3,[0,-2;2,0],[0,-4;-4,0]) % ta...

13 dagar ago | 0

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Answered
How do I stop random numbers from popping up when I run my code?
"Why are the 55's popping up?" Because you are storing all of the numeric data as character, which you then supply to FPRINTF a...

13 dagar ago | 1

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Answered
How to read files in ascending order based on the maximum value of the file from subfolders?
S = dir('**/table.txt'); for k = 1:numel(S) F = fullfile(S(k).folder, S(k).name); A = readmatrix(F); % do stuff ...

14 dagar ago | 1

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Answered
How to use string as plot arguments
"It just wont't allow me to use the string as shortcut." Ugh, that is a really very ugly way to code. Why not just use a much n...

15 dagar ago | 3

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