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How to create JSON-Code
Will the jsonencode function do what you need? If not, can you be more specific about what you have as input, and what exactly ...

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Iterations until condition is met
It is because of the accuracy of floating-point operations. Instead of checking if (1/M) * ((2/(gamma+1))*(1+((gamma-1)/2)*(M^...

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How to repeat a vector over and over?
Here is one way: % Inputs (for example small enough to easily see the result) N = 7; v = [2 3 5]; % Algorithm vlen = nume...

대략 3년 전 | 1

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Inconsistent dimensions of arrays
Note what the upper-left element of your array is: theta=0:0.01:2*pi; cos(theta) So, you are trying to concatenate two rows t...

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Find the indicies of the top 250 values of a Matrix
[Sorry if you saw the incorrect solution I posted and then deleted.] If you want the max values and indices for the matrix over...

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randi generating random complex numbers from 4-QAM
My other answer focused on "Why didn't this syntax work?" (and concluded that you don't have a recent enough version). This is ...

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Calculating error from parameter distribution
I don't know if there is a way to do this analytically, but I believe you should be able to calculate the error using Monte Carl...

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randi generating random complex numbers from 4-QAM
Your code works fine for me, and here: a = randi([-2,2],10e4,1,"like",1i); plot(real(a),imag(a),"o") I'm not sure what to s...

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plotting 2d matrix 240*240 in 3d plotting
You have not given us enough information to understand what you want. Take a look at the MATLAB Plot Gallery to find something ...

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How to find the most used word in a text?
I'm putting this answer here as possibly the "canonical" MATLAB answer, but I expect you do not have the Text Analytics Toolbox....

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How to customise Polar Plots
% Create plot figure theta = linspace(0,2*pi,25); rho = 2*theta; polarplot(theta,rho); % Define a variable with the tick ...

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Why is this logical "&&" passing the "if" statement?
Your code suggests that you think if year/4 is checking if year is divisible by 4. But that is not what the syntax is doing. I...

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How I can ignore NaN during calculating @std using "retime.
retime(f2,'yearly',@(x)std(x,'omitnan'))

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EpsilonSkewNormal no longer available in Fitdist or Distributuion Fitter
I just tried to run pd = fitdist(randn(20,1),"EpsilonSkewNormal") in R2022b, and got Error using fitdist Distribution name '...

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I'm new to Matlab and I am having a hard time typing in fractions with variables, the x usually goes to the wrong part. Can someone tell me how to type in these??
You will benefit from watching the free MATLAB Onramp tutorial. -42*x + 1/42 and x/42 + 215/42 % or (x+215)/42

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GMM - gaussian mixture as summation of pdf
It will be easier to help when we see the data, but the general idea would be to sum the pdfs of your best_model, weighted by th...

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How to efficiently sum values in matrix using indices from a logical statement of a different matrix
%Set up matrix of values A = [0 1 2 3; 1 2 3 4; 2 3 4 5]; %Set up matrix of probabilities B = [0.05 0.02 0.03 0.1...

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Center of gaussian mixed distribution area
I downloaded and looked over the paper. I am also not certain what they mean by the "center" of the mixed gaussian model. But, ...

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Finding data in matrice
If M is your data, bigChange = abs(diff(M,1,3)) >= 24;

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How to find mean of cell array
Here is one way: cellfun(@(x)mean(x,3),h,'UniformOutput',false)

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How to draw the delta signal in matlab
Do you mean the Dirac delta function? If so, then dirac might help you. Also, if you do mean the Dirac delta, I hope you realiz...

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How can i do a Multiple Linear Regression
My advice would be to try to read and understand the example from the documentation page for regress. Better yet, I would use t...

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How do I pick selected values in a matrix
You want the fraction of zeros in the array? A = ... [0 0 0 0 0 2 2 2 0 0 2 ...

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What does sc in imagesc stand for?
scaled colors doc imagesc

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Good practice in conditional test with categorical variable
The reason you are getting this mlint warning isn't really about the categorical variables at all. It is because you are trying ...

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sqrtm vs chol to produce draws the multivariate normal distribution
A common reason for not having a positive semidefinite correlation matrix is when the pairwise correlations are estimated (or ob...

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Truncated answers when querying chatgpt with Matlab
My impression from searching the same topic is that there is an unpublished token limit (which will roughly translate to a chara...

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How to extract diagonal elements of multidimensional array ?
rng('default') N = 4; A = rand(N,N,N); A(1:N^2+N+1:end)

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Using histcounts to determine loose data mode
I think that you have a case of the XY problem here. Namely, you are asking about your solution to a particular problem, but I s...

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plotting functions over domain
f = @(x,y) (x.^2 + 3*y.^2).*exp(1 - x.^2 - y.^2); % I'm not certain about your notation here x = -1 : 0.05 : 1; y = -1 : 0.0...

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