Answered
Compare two irregularly sampled, noisy sinusoidal signals
Use the nufft function for irregularly-sampled data. Beyond that, ‘similarity’ is a somewhat amorphous concept. I did a line...

18 days ago | 1

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Answered
Multiple regression with nonlinear variables
I am not certain what you want to do. Fitting a generalized additive model (GAM) for regression using the fitrgam function wo...

19 days ago | 1

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Converting timestamp from TDMS LabView
I did not see the .mat file before, although I did look for it. Try this — LD = load('timestamp.mat') format long timesta...

19 days ago | 0

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Answered
Variables from CSV column read incorrectly
I cannot reproduce that. Everything in your code seems to work correctly, and there are no NaN values (when run in R2024b). ...

20 days ago | 0

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Extracting Data from Table
It would help to have your data. Lacking it, consider doing something like this — T1 = table(reshape(repmat((1:5),5,1),[],1...

21 days ago | 0

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Answered
display ‰ symbol in xlabel with latex interpreter
I think it’s hanging up on the ‘\textperthousand’ call. When I searched online, that and ‘permille’ are not generally supported...

21 days ago | 0

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I am calling outside functions for this code, but when I am getting an error saying I have too many output arguments. I think the error is within my function LandingDistance
The reason is that ‘LandingDistance’ doesn’t return any outputs: function LandingDistance(d1, d2, v0, thetaL) You probably wa...

21 days ago | 0

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The mesh function is not working for me in offline Matlab, but when I check this code in online Matlab, it works. What is the reason?
We do not have access to your computer. Run these from your Command Window or a script: restoredefaultpath rehash toolbox...

21 days ago | 0

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Intel vs AMD for a new build in 2025
My preference would be a high-end Ryzen CPU, at least a 1TB SSD, and as much memory as you can manage. (I have the laptop versi...

21 days ago | 1

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I am trying to edit an old code to simplify it but I keep getting errors. Right now I am getting the script name error even though I have followed instructions fo rnaming
Your code works here. I’m not quite sure what you’re doing. You cannot have a script name with the same name as the function...

21 days ago | 0

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MATLAB doesn't recognize the function optimoptions
MATLAB is case-sensitive. Try this — options = optimoptions('ga') . .

21 days ago | 0

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Trying to plot two vectors of unequal lengths on the same X and Y axes
There is probably no good way of doing this without compromising the data in some way. The way I would choose would be to to ...

22 days ago | 0

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Calculate slope of groups of numbers in a table
Try something like this — T1 = table(reshape(repmat((1:5),5,1),[],1), sort(rand(25,1)), randn(25,1), VariableNames=["Class","X...

25 days ago | 0

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Answered
Extracting Data from Figures and Vectors
The easiest way is to use the interp1 function — clear, clc, close all EI = 29000*13400; % Flexural rigidity L = 48; % L...

26 days ago | 0

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Area of the hysteresis loops
These do not look like hysteresis curves to me. At least, I do not see any that form loops. (I am not certain what the ‘Cycle ...

26 days ago | 0

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Indexing in nonsequential order
I do not completely understand your problem, however one solution could be to use the dir function to retrieve all the files in ...

27 days ago | 0

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Why I am I getting a row
Thge easiest way is: x1 = x1(:) since this will force ‘x1’ to be a column vector regardless of its previous orientation. ...

27 days ago | 0

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Data extraction/split from table
I am not certain what reesult you want, however findgroups and accumarray (or splitapply) together are likely the direction in w...

28 days ago | 1

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plotting functions with two y axes
Use the yyaxis function. It should work with tiledlayout axes. EDIT — (19 Jan 2025 at 16:10) I am not certain what result...

29 days ago | 0

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Which matlab will i be able to use in my pc?
See Platform Road Map for the MATLAB and Simulink Product Families I doubt that any available releases will run on your co...

1 month ago | 0

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Use of symbolix toolbox to derive PI controller Kp,Ki
You can get there, however you have to force iit — syms K_P K_I L R s xi omega_0 real G_PI = (K_P*s + K_I) / s G_RL = 1 / (L...

1 month ago | 0

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Answered
How to Calculate dominant frequency and centroid frequency and plot them together
The spectralCentroid 9s plotted with respect to time, and the values go from near zero to 7.14 Hz. The dominant frequency is 0....

1 month ago | 0

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Find imapedance of a circuit with mesured current and voltage and frequency sweep(up to 1MHz). C and L are unknow.
By convention, the real part is the voltage, and the imaginary part is the current. Thje phase is the angle between them. Oh...

1 month ago | 0

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Best way to retrieve items from a cell array using a cell array of indices?
Creating ‘indices’ as a cell array is the problem. Refer to it as a double array instead — label_names={"assds", "Sasas", "...

1 month ago | 0

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array indices must be positive integers or logical values when complier matlab file - Application complier
The most likely cause of that sort of error is that a variable (created before the function is called) has the same name as a fu...

1 month ago | 0

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how can i open .out extension file in matlab?
That depends on what is inside the file. If it is a text file, you can use either readtable or readmatrix with the addition o...

1 month ago | 0

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Model identyfication from plot
You will need to use the System Identification Toolbox for this. If you have both the input and output time-domain signals, sta...

1 month ago | 0

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I need answers can you please answer
Nodal Analysis

1 month ago | 0

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mean function gives an error but not median
That you are getting theee error: Array indices must be positive integers or logical values. indicates that somewhere in your...

1 month ago | 1

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Black horizontal patches in the plot
Those sorts of horizontal liines are usuallly caused by unsorted data. Experiment with sorting the latitude as well: [longitu...

1 month ago | 0