Stephen
Suspensa Vix Via Fit
Statistics
RANK
5
of 244,610
REPUTATION
28,207
CONTRIBUTIONS
3 Questions
7,483 Answers
ANSWER ACCEPTANCE
100.0%
VOTES RECEIVED
4,599
RANK
142 of 17,084
REPUTATION
7,995
AVERAGE RATING
4.90
CONTRIBUTIONS
22 Files
DOWNLOADS
831
ALL TIME DOWNLOADS
63613
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Reach 25000 reputation points
Awarded to Stephen on 26 Oct 2020
Your submissions were downloaded 250 or more times in a month
Awarded to Stephen on 01 Nov 2019
Your submission is selected as "Pick of The Week"
Awarded to Stephen on 09 Oct 2019
Publish your first review
Awarded to Stephen on 09 Oct 2019
Your submissions received 25 five star ratings
Awarded to Stephen on 09 Oct 2019
Have 3 submissions connected to GitHub
Awarded to Stephen on 09 Oct 2019
Publish your first submission
Awarded to Stephen on 09 Oct 2019
Contribute at least one answer each month for 36 consecutive months
Awarded to Stephen on 20 Jul 2017
Accept 50 answers given by other contributors
Awarded to Stephen on 20 Jul 2017
Answer 3 questions that were unanswered for more than 30 days
Awarded to Stephen on 20 Jul 2017
100 of your answers have been accepted
Awarded to Stephen on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Stephen on 20 Jul 2017
Content Feed
for loops and storing values
"what can i do to solve this?" Use indexing into a preallocated array: c = nan(46,4); % <--- preallocate! for h = 1:23 f...
12 hours ago | 1
I am getting error
You need to use array operations, not matrix operations (you missed this for multiplication): https://www.mathworks.com/help/ma...
12 hours ago | 0
Error with matrix "Error using vertcat" Dimensions of arrays being concatenated are not consistent.
The problems are on these lines: 0 0 0 0 -1 0 1 0 0 mp*AG4x-Fp4x(1,i) 0 0 0 0 0 -1 0 1 0 mp*AG4y-Fp4y(1,i) Because AG4x and A...
12 hours ago | 0
| accepted
How to normalize only one column of a matrix
normalize(X(:,2),'range',[0,1]) or simply rescale(X(:,2)) If you want to replace the data in the matrix then allocate the fun...
13 hours ago | 0
I need to write a code to import multiple csv files, changing delimiter and decimal standard...
Use READMATRIX and set the Delimiter and DecimalSeparator to values that suit your file.
13 hours ago | 0
| accepted
merging workspace from different .mat files
"I think the problem ive run into is my files contain the same variable names..." That is not a problem at all, actually that i...
14 hours ago | 0
| accepted
Why doesn't this function declaration work?
You are missing a closing parenthesis here: concentrations(n-i-1) = maxconc*(1/factor^(i-1); % ...
15 hours ago | 1
| accepted
Using sprintf to match the results of format
Introduced in R2021a: https://www.mathworks.com/help/matlab/ref/formatteddisplaytext.html format short str = strtrim(formatted...
15 hours ago | 0
How to code with for loop loops without using ndgrid?
As this is clearly homework, this should get you started: inp = {1:2, 3:4, 5:6}; [A,B,C] = ndgrid(inp{:}); A1=reshape(A,[],1)...
16 hours ago | 0
Expected Behavior for contains()?
Exactly as its documentation explains, CONTAINS returns a logical TRUE where pat (second input) is found anywhere within the str...
18 hours ago | 0
| accepted
How to perform operations on time matrices
a = [0,2.3450,3.4570;1,3.4670,4.8750;2,4.6350,5.8350] m = a(:,2:end)-mean(a(1,2:end)); [~,x] = sort(m<0,1); for k = 1:size(m,...
3 days ago | 0
Operate by logical arrays element by element (error: Unable to perform assignment because the left and right sides have a different number of elements.)
a = [1,nan]; b = [8,9]; x = isnan(a); a(x) = b(x)
3 days ago | 0
| accepted
Finding consecutive zeros in an array. Not able to solve using diff command
a = [0,0,1,1,-1,0,0,0,1,1,1,-1,0,0,1,-1]; d = diff([false,a==0,false]); b = find(d>0); e = find(d<0); m = max(e-b)
4 days ago | 0
| accepted
Incorrect results from intersect when entering imaginary numbers
A = readmatrix('data1.txt') B = readmatrix('data2.txt') C = intersect(A,B,'rows')
5 days ago | 0
Trouble Reading Multiple .csv Files. "Intermediate dot '.' indexing produced a comma-separated list..." Error.
DataID(i).AxialStrain = DataID(i).RawData(1:ending,1); % ^^^ you need this index every time you ref...
6 days ago | 1
| accepted
loop on handles on GUI
fnm = sprintf('checkbox%d',i); handles.(fnm)
6 days ago | 1
| accepted
how to read files with different name using fid
fnm = sprintf('pfoil_1_var_1_%d.raw',i); fid = fopen(fnm,'r');
6 days ago | 1
| accepted
Sorting Nested Structures based on Name
As far as I can tell, your actual goal is to sort the elements of all structures based on the content of their NAME field. Assu...
7 days ago | 0
| accepted
Find the index of an interval of values in cell array
index = cellfun(@(x) 500<x & x<956, SS, 'uniform', false);
7 days ago | 0
Replace comma with dot after fopen
fnm = 'trial_file.txt'; opt = detectImportOptions(fnm, 'VariableNamesLine',9, 'VariableUnitsLine',10, 'DecimalSeparator',',', '...
8 days ago | 1
How to split array into sub arrays?
"I have a feeling that creating individual variables is not most efficient method..." Creating lots of individual variables wou...
10 days ago | 0
| accepted
Writing pressed key to variable
I suspect that you are getting synchronous code (e.g. the evaluation of a script or function) mixed up with asynchronous code (e...
11 days ago | 0
Array don't store value?
Replace n = linspace(t01,t11,h); % Read its help to know why your useage is incorrect. with n = t01:h:t11;
11 days ago | 0
| accepted
How to create a vector inside a loop with data from a struct ?
T = {ECG.event.type}; % comma-separated list L = [ECG.event.latency]; % ditto xAB = strcmp(T(1:end-1),'A') & strcmp(T(2:end),'...
12 days ago | 0
| accepted
How to store data when a string condition of another column is met?
T = readtable('SED_FULL_NE.xlsx') [G,YEAR,STATE_ABBR] = findgroups(year(T.BEGIN_DATE),T.STATE_ABBR); COUNT = accumarray(G,ones...
13 days ago | 0
| accepted
find ( strcmp ( many_different_elements )
"But was wondering if there's a nicer way than to write 90 times in the find line" Of course: forget about repeated STRCMP call...
14 days ago | 0
Compare two Vectors and multiply equal entries
ID = 'ABCDEF'; val = 1:6; arr = 'AABBCDDDEFFE'; [X,Y] = ismember(arr,ID); out = val(Y(X))
15 days ago | 0
| accepted
Convert a cell array into arrays
Where C is your cell array: M = vertcat(C{:,4}) or M = cell2mat(C(:,4))
15 days ago | 1
| accepted
A function that counts the number of zeros in a vector
D = [1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0]; nnz(D==0)
16 days ago | 1
Get the position of the next in row and next in column in a matrix
A reasonably simple, efficient, robust approach: A = [1,0,-2,0,0;2,8,0,1,0;0,0,3,0,-2;0,-3,2,0,0;1,2,0,0,-4] [C,R] = find(A.')...
16 days ago | 1
