Community Profile

photo

Stephen Cobeldick


Last seen: Today
6.293 total contributions since 2014

Suspensa Vix Via Fit

Stephen Cobeldick's Badges

  • Personal Best Downloads Level 4
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • GitHub Submissions Level 3
  • First Submission
  • Master
  • 36 Month Streak
  • Thankful Level 4
  • Revival Level 2
  • Knowledgeable Level 4
  • First Answer

View details...

Contributions in
View by

Answered
Error in unziping files loop
You need to include the path in the filenames otherwise MATKAB does not know where to find those files, e.g.: unzip(fullfile(di...

alrededor de 14 horas ago | 0

| accepted

Answered
Cell array help with strings
>> x = {'Q';'N';'Q';'New';'Q';'N';'Q'}; >> y = 1+cumsum(strcmpi(x,'new')); >> z = strcmpi(x,'Q') | strcmpi(x,'L'); >> foo = @...

alrededor de 23 horas ago | 1

Answered
Using loop to label multiple outputs
No need for a loop: >> X = [11;22;33;44]; >> fprintf('X%u = %u\n',[1:numel(X);X(:).']); X1 = 11 X2 = 22 X3 = 33 X4 = 44 I...

alrededor de 23 horas ago | 0

| accepted

Answered
Match strings from 2 tables
Method one: outerjoin (TC rows may be in a different order to TA): >> TC = outerjoin(TA,TB,'MergeKeys',true) TC = Name ...

1 día ago | 1

| accepted

Answered
Error in unziping files and then deleting files in the zip
As its documentation clearly states, unzip's first input argument needs to be the name of a zip file. selpath is not the name o...

1 día ago | 0

| accepted

Answered
How to save multiple files in a 'for' loop
Move the coordinate=[] line inside the first loop: for t = 1:numel(i) coordinate = []; ... the rest of your code end...

1 día ago | 0

| accepted

Answered
How to pull a range of values out of an array using a loop
MATLAB is not Java. Using a loop would be entirely the wrong approach in MATLAB. >> idx = tau < 1e8; >> acceptable = tau(idx);...

1 día ago | 0

Answered
How to extract some rows from a matrix and put them in another matrix?
>> idx = ismember(Q,N,'rows'); >> Q(idx,:) = [] Q = 4 3 2 1

2 días ago | 0

| accepted

Answered
I have to vectorize the following code. I have tried using vectorization but can't get the output as I require.
Your code is equivalent to this >> BB = num2cell(A(:)); >> BB(index,2) = BB(index); and checking against the output of your c...

2 días ago | 0

Answered
Trying to find the function of x for 0<=x<=2L
Two changes: you defined x to contain exactly one value, which is not very useful for plotting. you were missing some multipli...

2 días ago | 1

| accepted

Answered
Accepting multiple inputs in the form of an array
mnv = 1; mxv = 100; vec = []; while numel(vec)~=6 || any(vec<mnv | vec>mxv) || any(mod(vec,1)) str = input('Enter six in...

2 días ago | 0

Answered
Quick conversion of a large (and with mixed data types) cell array into a numerical array
This is likely to be faster than str2double. Use a decimal point rather than a decimal comma for more speed. >> C = {'1170790,8...

2 días ago | 0

| accepted

Answered
How can I count the number of 1 after every element of the vector?
>> X = [1,1,1,1,0,0,1,1,0,1,0,1,0,0,1,1] X = 1 1 1 1 0 0 1 1 0 1 0 1 0 0 1 1 >> Z = cumsum([...

2 días ago | 1

| accepted

Answered
Invalid expression in reading the file
function [rR,CL,effi1] = import_cl_effi(general_data,16, 45); % ^^ ^^ Not v...

3 días ago | 0

| accepted

Submitted


Round to Electronic Component Values
Round numeric array values to the best matching IEC 60063 resistor values (E-Series).

3 días ago | 11 downloads |

Thumbnail

Answered
output the ohms symbol
>> fprintf('The resistance for the given color bands is 26000 Ω\n') The resistance for the given color bands is 26000 Ω >> fpr...

4 días ago | 0

| accepted

Answered
Can we sum lastletter of string?
>> A = '111n22'; >> B = '444m11'; >> C = '777n55'; >> sum(str2double(regexp({A,B,C},'\d$','match','once'))) % single ans = ...

4 días ago | 0

| accepted

Answered
How can ı choose a defined valuable when ı use input function
vn = input('please enter the vehicle name ','s'); switch upper(vn) case 'A' val = 0.5; case 'B' val...

4 días ago | 1

| accepted

Answered
How can I store an Italic-font text in a file?
"How can I use fprintf to store a string in a file (( with ITALIC font ))?" You can't, because textfiles do NOT contain any for...

4 días ago | 0

Answered
question on indexing: How to extract rows from a matrix that crossponds to certain values in another vector?
Just call find with its optional 2nd and 3rd input arguments to specify that you only want one result returned: >> n = 3; >> p...

4 días ago | 0

Answered
Finding a scalar to make two arrays as equal as possible.
Use mldivide: c = A(:) \ B(:) For example: >> A = rand(2,3); >> B = A*0.23; >> c = A(:) \ B(:) c = 0.23000

4 días ago | 1

Answered
Matlab is skipping over my while loop.
"Matlab is skipping over my while loop and I do not know why." Because you told it to. Lets have a look at what values V and n...

5 días ago | 0

Answered
How to find the position of a row in an array
>> [~,Y] = ismember(S,R,'rows') Y = 3

5 días ago | 0

Answered
Transform char variable to matrix
Efficient solution: >> C = {'002,005';'002,003';'002,005'}; >> sscanf(sprintf('%s;',C{:}),'%f,%f;',[2,Inf]).' ans = 2 5...

5 días ago | 1

Answered
How to vectorize max / min number in row
>> max(A,[],2) ans = 2.0000 2.3333 2.6667 3.0000 3.5556 4.4444 5.3333 6.2222 7.1111 8.0...

5 días ago | 1

| accepted

Answered
Storing string of a loop
Your code has multiple bugs, in particular wrong indexing into the cell array, missing format specifier in the |sprintf| format ...

5 días ago | 1

| accepted

Answered
Sorting 256*2 cell
Although the question is not very clear, I suspect that you might like to download and try my FEX submission natsortrows, which ...

5 días ago | 0

| accepted

Answered
Combination of 2 columns
[Am,Bm] = ndgrid(A,B); M = [Am(:),Bm(:)]

5 días ago | 0

| accepted

Answered
Write a program that calculates the length of hypotenuse c for all (!) combinations of legs a and b and do so using a for loop!
The easiest way to get all combinations is to use two loops: a = [3;5;1;3;2]; b = [1;3;2;7;2]; for ii = 1:numel(a) for j...

5 días ago | 0

Answered
How can I get the full value of a variable with decimal point
"the actual answer is 0.0205 But my result is displayed as 0 For 0.5 it is displayed as 1" Those are the values, they are NOT j...

6 días ago | 2

| accepted

Load more