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How to extract text from .json files and combine them?
You can import your data into cell arrays filelist = {}; vals = cell(length(filelist),1); haveabstract = false(length(filelis...

3 hours ago | 0

How to calculate the highest consecutive negative results in my code
Assuming your vector is called a a = randi([-10 10],2000,1); ag0 = a>=0; % idx of val greater then a id = cumsum(ag0 | circsh...

5 hours ago | 0

Data comparison and storing
Humidity = str2double(Humidity(~ismissing(Humiditiy))); lowlimit = 40; highlimit = 50; outsidelimit = Humidity > highlimit ||...

8 hours ago | 0

Efficiently copying values from one table two another in which unique values are columns
C = unstack(B,'volatility','days'); The function unstack will do exactly what you are trying to do. The first column would be...

8 hours ago | 0

Cannot create a pointer to a struct
You need to use the function libstruct https://www.mathworks.com/help/releases/R2020a/matlab/ref/libstruct.html https://www.ma...

3 days ago | 0

How to add multiple legends in app designer ?
Add a display name to each plot. then turn on the legends at the end % example ax = axes; hold(ax,'on'); for i = 1:10 p...

3 days ago | 1

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Run a Python Script to Stream Data
You should split your code into two functions. You can create a python function that instantiates the socket and return the soc...

4 days ago | 0

Extracting repeated rows from table data based on conditions
% a = sometable, % assume no repeat of columns 6:7 for combination of 1:5 [b,ia,ic] = unique(a(:,1:5),'rows'); n = accumarra...

6 days ago | 0

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Combine plots generated using for loop
Did you mean sub plots ? f = figure; tiledlayout(f,5,1); for i=1:5 ax = nexttile x = [0 : 0.01: 10]; y = i*sin...

7 days ago | 0

How to apply function on columns while skipping certain columns
m = rand(31413,950); allcols = 1:950; exccols = 1:10:950; applcols = allcols(~ismember(allcols,exccols)); out = max(m(:,appl...

11 days ago | 0

In MATLAB GUI, how can I display a set of elements such as edit text and slider only if I push the radiobutton?
If you are using app designer something like this will work for you. Essentially you can have an entire row or column of your g...

11 days ago | 0

% matrix = 11 x 3 ch = matrix(:,1); [u,~,ic] = unique(ch); maxba = accumarray(ic,matrix(:,2),[],@max); out = [u maxba]; i =...

12 days ago | 0

Extract data from all values of a containers.Map collection
I assume that each of value in the container is a struct with identical fields. You can just get all the values like this % M...

14 days ago | 0

Hey, Im trying to run this code but the run time is too long. can anyone help me out here plz
As a starting point you can vectorize your inner for loops m = repelem(1:s(1),1,s(2)); n = repmat(1:s(2),1,s(1)); a = cos((((...

17 days ago | 0

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How to insert y-coordinate into plot next to each point
total_num_attacks=[0,1,2,3,4,5]; attack_kill_array=[0,.2,.31,.39,.43,.46]; kill_chance_increase=[0,0,.38,.18,.1,.06]; max_att...

17 days ago | 0

Storing data in an array from a for loop
You don't need to read your file line by line. textscan can scan the entire file in one pass (unless the format spec keep changi...

17 days ago | 0

Use a wildcard to look for values in struct
Is there only one middle field ? If thats the case you can do as follows % s = your struct f = filednames(s); v = getfield(s...

17 days ago | 0

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How to input a specific data into Matlab Gui uitable via clicking a button?
The reason is because your second line of code overwrites your previous assignment. You need to specify the column in your code...

17 days ago | 1

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Find a specific set of values in a matrix
You can do this quite easily twocolmat = rand(100,2); idx = twocolmat(:,1) >= 0.2; col2vals = twocolmat(idx,2);

17 days ago | 2

How to use the fillmissing function to interpolate at certain points
You can directly use interp1 to interpolate at your desired time intervals. t = 1:100; v = zeros(1,100); % here v is the value...

17 days ago | 0

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Creation of a .dat files in a for loop
% assume some values mx_inelastic = rand(30001,2434); my_inelastic = rand(30001,2434); mz_inelastic = rand(30001,2434); phy...

18 days ago | 1

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How do I separate a data set into separate cell arrays according to the integer on the end of a string?
You need to extract the digit at the end. % c = yourcell array digit = regexp(c(:,4),'\d+\$','match','once'); [u_d,i,j] = uniq...

18 days ago | 0

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Double summation in matlab
You can define a function to calculate the expression inside the brackets. a = @(p,param)param.^p./factorial(p); % (param^n)/fa...

25 days ago | 1

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Dividing cyclical data in array
Assuming you can get the locations of the peak, you can create an id variable. % acc = ... m x 1 array %locationidxofpeak = so...

1 month ago | 0

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Variable Depth Struct Field Reference
You can use the subsref function to index into the struct. You need to create the variable s dynamicall. To assign you can use ...

1 month ago | 0

Wait for a button to be pressed to continue the function - APP DESIGNER
Instead of a button, you can change it to a state button in app designer Then in your code just use a while loop to check the v...

1 month ago | 0

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How to compare pair of rows in a column and report it in hexadecimal format
data = rand(512,1); oddrows = data(1:2:end); evenrows = data(2:2:end); response1 = oddrows > evenrows; response2 = evenrows ...

1 month ago | 1

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changing continuous transfer function
You should just define your transfer function as a function. You can then just pass in the values you want to evaluate on. H = ...

2 months ago | 0

Storing data in a real time recording gui using a callback
Instead of concatenating the data with every iteration, just store the data in a cell array. You can concatenate it when you nee...

2 months ago | 0

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