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how to fit ellipse to an image with cylinderical shape
I am not an expert - please see the following page and hopefully there are some similar examples for you. https://jp.mathworks....

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Unrecognized variable that has been stated
I guess the intention of the Professor is about "work space and variables". I would reccomend to learn from the following site ...

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Need help in coding- Monte Carlo simulation for assessing cure against virus
If you just don't have enough basics to keep working on your work using MATLAB, then you should go to MATLAB onramp: https://jp...

plus de 6 ans il y a | 0

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Generate fitting curve from timetable plot
Curve fitting app would suit you. https://jp.mathworks.com/help/curvefit/interactive-curve-and-surface-fitting-.html You can p...

plus de 6 ans il y a | 0

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Index exceeds the number of array elements, when trying to plot
Why not reampling the data to have the same length? If you have Signal Processing toolbox, then just follow the instruction: h...

plus de 6 ans il y a | 0

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1D Regression with CNN
I skimmed through the issue - sorry if I am answering in a different direction. You should convert the 1D data into image forma...

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Is ksdensity based on Kolmogorov Smirnov test?
I'm sure it stands for Kernel Smoothing density estimation. I prefer Kernel Density Estimation (KDE) though. https://jp.mathwo...

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How to gather data of same class, select N rows, calculate mean in CSV file
I would suggest you should use table for data analytics. The following code may help you reduce the number of lines. up to the...

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removing data from a large matrix
This page is a good fit for you. In MATLAB, there are lots of preprocessing functions available. https://jp.mathworks.com/help...

plus de 6 ans il y a | 0

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how do you separate time data from signal data, plot the signal, followed by the removal of the trend without using the inbuilt ‘detrend’ function
well .... how about removing the mean to begin with? plot(t, a - mean(a));

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2nd Order ODE by ode45
You can walk through this: https://www.mathworks.com/help/matlab/ref/ode45.html I guess this is what you work on - read, under...

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FFT to covert time domain to frequency domain
Take a look at this page: https://www.mathworks.com/help/matlab/ref/fft.html where you can find some examples that you can uti...

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Newton-Raphson iteration method in Matrices
I had a quick look though ... you are having lots of errors. MATLAB has a fantastic bug finder as you can see. The areas hi...

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RSA keys generation using matlab
Hope this helps you: https://www.mathworks.com/matlabcentral/fileexchange/53457-rsa-public-key-encryption-and-signing-32bit

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Index position 2 exceeds array bounds
I had a look at it quickly - you were obviously failing in importing the pressure and the flowrate. xlsread(filename, 3, hRange...

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How do I make my variables save from my function?
You're doing well! Try this: x = [1 1]; [f, grad, gradTwo] = Rosen(x) You should prepare the three variables that recieve t...

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Do we have the facility to create a network topology for cloud and fog environment in matlab
I am not an expert in this filed though I have ever introduced this product to a customer who wanted to model a rail network. h...

plus de 6 ans il y a | 1

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How to place a uicalendar inside a panel
How about using AppDesigner? There is a function available that looks able to meet your want. https://jp.mathworks.com/help/mat...

plus de 6 ans il y a | 0

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How can I take out months rows from each year.
I guess your date is not read as string. tableData = readtable('yourExcel.xlsx'); tableData.Time = string(tableData.Time); Th...

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How to position two figures on one app-designer gridlayout position?
app.UIAxes.Visible = 'off'; Try this. It worked with my app where a push botton call this line so it can disappear.

plus de 6 ans il y a | 0

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Discretize countries into regions
One thought would be .... clustering algorithms. How about using geographical data (longitude and latitude) as an input vector ...

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how to derive 1D heat conduction
https://jp.mathworks.com/products/pde.html?s_tid=srchtitle PDE toolbox would help you out!

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How can I shade confidence intervals on a loglog plot?
x = -10:0.1:10; % between intersections yy1 =x.^2; %lower function yy2 = -(x.^2-16); % upper function x = [x,x]; % rep...

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How can I take out months rows from each year.
d = ['190101'; '190201'; '190301']; % sample data d_datetime = datetime(d, 'InputFormat', 'yyMMdd'); % change format to datet...

plus de 6 ans il y a | 1

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Matlab: a function y where y is the ?-th Chebyshev polynomial of the first kind evaluated at xy is the ?-th Chebyshev polynomial of the first kind evaluated at xy is the ?-th Chebyshev polynomial of the first k
https://jp.mathworks.com/matlabcentral/fileexchange/56566-chebyshev-polynomial I came across this but not sure if it works.

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Why matlab crashes when I try to use a numpy Python package? (2019a)
https://www.youtube.com/watch?v=aJGmnPfJBuo Have you ever tried this ? - calling MATLAB from the anaconda prompt?

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Why matlab crashes when I try to use a numpy Python package? (2019a)
Read the documentation for R2019a. You might have counted on the latest. It might be a cause of the problem. Sometimes, there...

plus de 6 ans il y a | 0

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how to plot smooth line plot?
How about increasing the number of data by using interpolation?: https://jp.mathworks.com/help/matlab/ref/interp1.html?s_tid=do...

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Clustering based on threshold values.
There are various methods available:https://jp.mathworks.com/discovery/cluster-analysis.html

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Clustering based on threshold values.
Is this a question about how to classify the data based on threshold? if condition "classification description" else ...

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