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# Stephen23

Con actividad desde 2014

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How to create separate matrix in workspace for each iteration
"I want to save loop data after each itteration in new workspace with new variable name.Like in first loop i want to save data i...

alrededor de 8 horas hace | 1

Enviada

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

2 días hace | 13 descargas |

Enviada

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

2 días hace | 8 descargas |

Respondida
Select sequence of numbers from Array
V = [1 1 1 2 2 2 3 3 3 4 4 4 1 1 1 2 2 2 3 3 3 4 4 4 1 1 1 2 2 2 3 3 3 4 4 4 1 1 1 2 2 2 3 3 3 4 4 4]; X = V(:)==1; Y = cumsum...

4 días hace | 0

Respondida
Save table with cell arrays in csv
T = load('table.mat').table % !!! do NOT use "table" as a variable name !!! F = @(v)strjoin(string(v),','); T = convertvars(T,...

4 días hace | 0

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Respondida
Save each iteration of a for loop to table
With MATLAB it is invariably easier to loop over indices, rather than looping over data values directly. V = [-1,-0.5,-0.1,0,0...

4 días hace | 0

Respondida
How I can return output from function 'A' for using them as input for another function 'B'?
How to call function with output arguments is explained in the introductory tutorials: https://www.mathworks.com/help/matlab/ge...

4 días hace | 0

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Respondida
I want to export data to txt file in Loop
P = 'absolute or relative path to where the files are saved'; S = dir(fullfile(P,'*.txt')); for k = 1:numel(S) F = fullfi...

5 días hace | 0

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Respondida
i am tring to input different z values to get different B using matrix manipulation. just having trouble using for loop
Note that I replaced the INV()* with the recommended MLDIVIDE: https://www.mathworks.com/help/matlab/ref/inv.html#bu8tv8c-6 An...

5 días hace | 0

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Respondida
How can i calculate the length of curve?
A very simple approach is to download John D'Errico's excellent ARCLENGTH function: https://www.mathworks.com/matlabcentral/fil...

7 días hace | 0

Respondida
How to measure elapsed time in hh:mm:ss?
You can do this with SECONDS(), but then it requires two lines. Here is a simple solution on one line: tic .. dur = duration(...

7 días hace | 0

Respondida
Str2double gives NaN
https://www.mathworks.com/matlabcentral/answers/437449-matlab-coder-giving-issue-with-textscan#answer_354189 X = "3.716,3.711,3...

7 días hace | 1

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Respondida
Why do I receive the error "Undefined function 'times' for input arguments of type 'matlab.graphics.chart.primitive.Line'"?
The basic problem is that you have re-used the variable name p. You think that p is some value from the start of your code, but ...

7 días hace | 0

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Respondida
How to find number of bit change between binary numbers?
A = ['110'; '101'; '011'; '111'; '100'; '001'; '010'] B = sum(diff(A,1,1)~=0,2)

8 días hace | 1

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Respondida
How to loop function for all timesteps in one text file
T = fileread('atomlocation.txt'); C = regexp(T,'(^\S+\s+\S+\s+\S+\s*\n)+','lineanchors','match') N = numel(C); fprintf('%d bl...

9 días hace | 0

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Respondida
How to create a 3D Matrix?
"While in python this matrix is of 3*2*5," Not really, it is actually just a whole lot of nested 1D lists. In some languages th...

10 días hace | 0

Respondida
This statement is not inside any function. (It follows the END that terminates the definition of the function "mixing_tank".)
The function definition needs to come after all of the other code. See: https://www.mathworks.com/help/matlab/matlab_prog/local...

11 días hace | 0

Respondida
Get special variable out of every struct in workspace
"Is there any way to extract the "values" out of these 2 structs for each variable which is loaded into the workspace?" Yes, bu...

11 días hace | 1

Respondida
How to load all .mat file in the current directory and save them as .wav file?
P = 'C:\Users\Desktop\BE'; S = dir(fullfile(P,'*.mat')); for k = 1:numel(S) F = fullfile(S(k).folder,S(k).name); D =...

11 días hace | 1

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Respondida
How do I add rows to a table in a for loop?
"... it keeps producing the tables I want, but not in the order I want, and I don't know how to fix this." My guess (in lieu of...

12 días hace | 0

Respondida
identifying entry elements in rows of logical matrix
A = [1,1,1;0,1,1;0,0,0;0,1,0] B = A .* (cumsum(A,2)==1) % replace .* with & to get a logical output

12 días hace | 3

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Respondida
How to perform function whos output is a struct in a loop?
Assuming identical fieldnames, the simplest and most robust solution is to concatenate the structure after the loop: N = numel(...

12 días hace | 0

Respondida
Deleting fields of a particular dimension in a structure
As I wrote in several of your earlier questions, this task would be much easier if your data were better designed: https://www....

12 días hace | 0

Respondida
How can I change timestamp format?
The best solution is to fix the source. Otherwise: C = {'09.02.2022 14:41:56:999';'09.02.2022 14:41:57:1'} D = regexprep(C,{':...

12 días hace | 0

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Respondida
Creating a row vector of combinations?
One simple aprpoach is to download this FEX submission: https://www.mathworks.com/matlabcentral/fileexchange/24325-combinator-c...

12 días hace | 3

Respondida
Extracting names from first row of index and seeing if they are equal to indexed variable?
You can simplify this by using one loop. Lets first create some fake data: mkdir ./scan1 mkdir ./scan2 mkdir ./scan3 writema...

13 días hace | 0

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Respondida
How to eliminate values after comma, in double value?
A wild guess: V = [0.2,0.2862] W = fix(V*10)/10

13 días hace | 1

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Respondida
How i creat Costomer fscanf?
format long M = readmatrix('sol2.txt', 'Delimiter',{' ','∠'}, 'MultipleDelimsAsOne',true, 'TrimNonNumeric',true)

13 días hace | 1

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Respondida
How to save the Data in different array using Value in 2nd column
Clearly creating lots of separate variables in the workspace would be a very bad approach: https://www.mathworks.com/matlabcent...

13 días hace | 0

Respondida
Not enough input arguments (line 2)
You need to learn about function handles: https://www.mathworks.com/help/matlab/function-handles.html I also had to fix your c...

13 días hace | 1

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