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How to distribute a matlab app using matlab web app server and AWS?
A google search turns up this documentation page on how to Run MATLAB Web App Server on AWS using Reference Architecture.

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I lost my computer where my matlab R2019b was installed
Follow the instructions on this page, under "Deactivate License on Lost or Destroyed Machine".

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What do the columns in the output of "matlab -timing" mean?
The -timing switch is a formerly documented feature, that still exists but is now undocumented. (I learned that fact from this i...

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How to change box-view styles in a 3-D plot?
It's best to ask to such different questions in two different posts. The answer to your first question is to use the view funct...

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Matrix to Column vector? For ground motion timehistory
% Making a smaller matrix, to see the result more easily gm = magic(3) % The algorithm: gmt = gm.'; %Transpose gm_col = gm...

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Reading a Datetime Column as Numbers Instead of Actual Dates in MATLAB
An alternative solution to my other one, but possibly more expedient for you in working with existing code, would be to use the ...

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Reading a Datetime Column as Numbers Instead of Actual Dates in MATLAB
As it says on the documentation page, use of xlsread is not recommended. You will almost certainly be on a happer road if you r...

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how to Calculate Gravity
You are not indexing into x correctly. Here is one way to fix it: r=8; z=15; x=0:10:100; dp=2400; G=6.67e-11; for i=1:nume...

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Add multiple rows of a matrix in one row.
% Create an input matrix like yours n = 4; M = rand(n,3) % Calculate the sum sumM = sum(M) As you may realize, this is a v...

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Read multiple csv of similar names
Something like this for x = 0:99 filename = sprintf("values%d.csv",x) tbl{x+1} = readtable(filename); end This will...

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What does 1V mean?
I see that that line of code is from the documentation for findpeaks. It presumably does mean volts (from context), but you can ...

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How can get a correlation plot?
Here is one plan of action: Use the readtable function to load your data into MATLAB Use corrplot to get the plot Use the cor...

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what's wrong with my ks test?
My guess here is that this line of code C = wblrnd(100,1); is not doing what you expect. It is generating just one value, from...

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Merging multiple graphs in the same tiled layout
If I understand what you mean, you just need to use the hold function (just after nexttile) to retain plots, rather than replaci...

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.csv using readtable doesn't make difference between the value 1 and 01
% Detect the automatic import options opts = detectImportOptions("23_Time Cards_Practice 1.CSV"); % Change of import type of...

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Plot legend has too many entries
This line yieldline_steel = plot(x1,y1,x,y_steel) plots two objects, the first of which is just a single point.

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How can I modify a list of existing variables programmatically?
You've seen @Walter Roberson's answer, and it is spot-on. That being said, what you want to do is possible, using the appropriat...

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Get exact curve parameters in the fit function
The four decimal places are just the default display value. You can change that with the format command. For example, use format...

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If statement not working for trig quad check
I did not look in detail, but I'd be willing to bet that the problem lies in making comparisons between floating-point numbers, ...

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Mathematical functions across variables
If you just want to know their sum A(1,1) + B(2,1) If you want to add A(1,1) to the value stored in B(2,1) B(2,1) = A(1,1) + ...

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Plot ECDF and histogramm of distribution
Do you mean you want to avoid drawing the additional horizontal red lines? I think you'll need to do something "manually", beca...

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Are "fitrnet" and "fitnet" using backpropagation?
I am not an expert, but my read of the documentation is that all the algorithms used by fitnet, at least, will use backpropagati...

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How to update leap seconds
The file leapseconds.m calls a built-in file to get the list of leap seconds, but you can edit that file to add additional ones....

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Random number generate in an interval
A normal distribution, by definition, has support from negative infinity to positive infinity. You cannot have both a normal dis...

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I can not solve the errors
The direct cause of the error you are seeing is that in the line that gives the error, you are trying to matrix-multiply a 1x3 v...

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Error Code: Unable to perform assignment because the left and right sides have a different number of elements
My best guess is that while your t and v have the same number of elements (which would allow plotting them against each other), ...

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Sorting columns by header names
% Make up a data table N = 3; Column_B_data1 = rand(N,1); Column_A_data1 = rand(N,1); Column_C_data2 = rand(N,1); Column_D_...

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Horzcat Error in 3x3 matrix with multiplication of Matrices
There is nothing inherently wrong with the matrix you specified (as you can see from the code below). You'll need to share more...

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Need help in using trapz to integrate a definite function
trapz is probably not the best way to do this. You could use integral instead c=3*10^8; % speed of light in vaccum h=6.626*10....

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Need help in using trapz to integrate a definite function
Did you read the documentation for the trapz function? It expects either two or three inputs, not the four you provided. I am g...

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