# Stephen23

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**Content Feed**

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

| accepted

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

| accepted

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

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

| accepted

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 |

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

| accepted

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

| accepted

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

| accepted

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

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

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

Sorting a matrix based on another matrix

[driver_data,idx] = sortrows(driver_data,2); driver_names = driver_names(idx,:);

5 dagar ago | 0

| accepted

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

| accepted

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

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

| accepted

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

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

| accepted

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

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

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

| accepted

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

| accepted

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

| accepted

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

| accepted

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

| accepted

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

| accepted

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

| accepted

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

| accepted

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

| accepted