Risposto
How can I speed up this indexing code?
Avoid comparing strings within the loop and instead take advantage of the index vector from unique: a = ["A", "B2", "A", "C", "...

oltre 3 anni fa | 0

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Risposto
How to use two data unit length in the plot function?
Either transform your data (e.g. log transformation), or break X-/Y-axes. There are several FEX already out there: mathworks.co...

oltre 3 anni fa | 1

Risposto
Applying text with variable on a plot
I don't have your dataset but you can follow this example: plot(3:10, (6:13).^2, 'k.-', 'LineWidth', 1.5) Rsq = 0.64645; h ...

oltre 3 anni fa | 1

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Risposto
filter cell array with strings
Try to work with tables, they're more versatile. Also check groupfilter for more advanced filtering schemes. tab = array2table(...

oltre 3 anni fa | 0

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Risposto
Merging rows of a matrix into a number
See here https://mathworks.com/matlabcentral/answers/299422-converting-a-double-into-a-matrix-of-its-digits#answer_231586 C = [...

oltre 3 anni fa | 1

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Risposto
Ignore missing data in a table group
As Johan also suggested you may use omitnant flag. Also, consider using groupsummary and groupfilter : m = groupsummary(T, 'C',...

oltre 3 anni fa | 0

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Risposto
how to search specific data from matlab to excel
tab = readtable('myExcel.xlsx'); % see doc for more options tab(ismember(tab.(1), 'R1280XS'), :) % the row at which the input...

oltre 3 anni fa | 1

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Risposto
Check for coordinate pairs matches in .mat file
Assuming both x and y are vectors of same length, this might work: x = randi([0 5], 10, 1); y = randi([0 5], 10, 1); myPair...

oltre 3 anni fa | 0

Risposto
How can I create an array from the past values in a loop?
something like this? n = 10; str = strings(n, 1); for i = 1:n % do whatever str(i, 1) = gimmeMystr; end

oltre 3 anni fa | 0

Risposto
Plot the slope of a parabola with only the data points being known
Before fitting, it's a good practice to visualize your data to better understand the rough relationship between your variables. ...

oltre 3 anni fa | 1

Risposto
How to plot a function with summation and multiple variables?
Start by understanding MATLAB a bit better. For the time being this may help you: myfnc = @(A, s, t, i, T0, tau) sum(A.*s.*(t -...

oltre 3 anni fa | 0

Risposto
Handle error from input
AFIK input doesn't let you control the error behavior. The better approach would be to return it as a string, and validate it: ...

oltre 3 anni fa | 0

Risposto
fileDatastore using for loop and scatter
You are not even reading your csv files; you just read the same file file4.csv over and over! Try this: fds = fileDatastore('*....

oltre 3 anni fa | 1

Risposto
mean from intersection matrix
This should work: a = [1,3,3,2,2,3,3,4,3,1,3]; b = [1,1,1,3,4,1,2,1,4,1,1]; c = [2,2,2,4,2,3,3,2,1,3,8]; x = [a; b]; [~, ...

oltre 3 anni fa | 0

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Risposto
Read from and make new based on positions
Why not this? G = [0 115 0 0 0 0 0 0 0 0 111 0 0 0 0 110 0 0 0 110 0 0 0 0 82 0 0 0 0 111 0 0 0 111 0 0 0 0 0 0 0 0 0 87 114...

oltre 3 anni fa | 1

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Risposto
Bar plot error when plotting
The main problem is that your tick labels are too long to fit under the axes. You can try something like this: figure('Name', '...

oltre 3 anni fa | 0

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Risposto
Open .m files in current MATLAB instance from Windows Powershell
Try this function addME(a, b) fprintf("sum a + b equals %.2g\n", a + b) end Then from powershell (assuming your PS insta...

oltre 3 anni fa | 0

Risposto
Is the pny GeForce rtx 3090 supported by the deep learning toolbox?
Yes it does. RTX 3090 microarchitecture is Ampere, and MATLAB (depending on your version sometimes) supports cc8.x. More on CUD...

oltre 3 anni fa | 0

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Risposto
What equivalent MATLAB commands plots PDF of data like 'hist' command plots histogram of data.
Something like this should work: data = normrnd(10,1,100,1); pd = fitdist(data, 'Normal'); x_values = 5:0.1:15; y_values = p...

quasi 4 anni fa | 0

Risposto
scatter plot data that meet a condition
% some random values A = randi([0, 100], 8, 2000); F = randi([0 1], 8, 2000); F = logical(F); % convert your flag to logical ...

quasi 4 anni fa | 1

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Risposto
How to calculate for significant difference between Cohen's Kappa values?
You can build confidence intervals around your Kappa values, and then see if they overlap.

quasi 4 anni fa | 0

Risposto
How to know which distribution is BCa method form bootci assuming my data follows
To my understanding BCa tries to correct for bias and skewness (acceleration, calculated from jackknife sampling) in the distrib...

quasi 4 anni fa | 1

Risposto
Is there a way to turn off the scale over the graph
h = gca; h.Box = 'on'; h.XAxis.TickLength = [0 0];

quasi 4 anni fa | 0

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Risposto
Standard Error for bivariable zscore normalized regression
And why is it surprising to you? You can read about how coefficients and their SE are calculated in linear regression. Standard...

quasi 4 anni fa | 0

Risposto
I have a table where each entry is a word/sentence. How do I count how many times a word shows up?
Check out groupsummary: gender = {'male', 'female', 'male', 'male'}.'; dogorcat = {'dog', 'cat', 'dog', 'dog'}.'; T = table(g...

quasi 4 anni fa | 1

Risposto
How can i change the linestyle in the parcorr function?
This should work: [~, ~, ~, h] = parcorr(randn(1000, 1)); set(gca,'YTick',[-0.3 0 0.5 1 ]) title('PACF Offshore') ylabel('pa...

quasi 4 anni fa | 1

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Risposto
Shifting the first element of an array to the end
a = 1:4; circshift(a, 1)

quasi 4 anni fa | 1

Risposto
stepwiselm() function is not taking the last column of table as Response variable
The issue stems from variable Timestamp, which is of class datetime. You need to first convert it to numeric type: data = readt...

quasi 4 anni fa | 1

Risposto
Floating bar graphs with characters and numerical data
What about this? tags = ["Al", "Ti", "Nb", "Co", "Mo"]; ranges = [0.01 0.58; 0.76 1.95; 5 5.61; 0 1; 2.63 3.11]; h = gca; h....

quasi 4 anni fa | 0

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Risposto
How to compute the correlation between two metrices of same dimenstion (correlation between a column of a matrix to corresponding column of other matrix)?
A = rand(10, 3); B = rand(10, 3); R = diag(corr(A, B))

quasi 4 anni fa | 0

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