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IFFT of frequency dataset
‘(not starting at 0)’ That’s probably the problem. Essentially your data are then a sort of rectangular-window-bandpass-fil...

21 days ago | 0

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Plotting around zero deg. Angle
Aside from not having any image to work with, I am not certain what you want. First use plot to see what the problem may be. ...

22 days ago | 0

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MATLAB R2023b gui in ubuntu 24 is not opening files after launch. Displaying some errors and shutdown
According to MATLAB and Simulink Requirements 24.04 is supported. It would be best for you to Contact Support for installatio...

22 days ago | 0

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Problems at start in ubuntu 24.04.2
According to MATLAB and Simulink Requirements 24.04 is supported. It would be best for you to Contact Support for installatio...

22 days ago | 0

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xlabel and ylabel errors
This is instructive: when I run it brings the following error Index exceeds the number of array elements. Index must not ex...

22 days ago | 0

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Sending Multiple Data to Excel from MATLAB?
If you have R2013b or later, collect the data you want in a table, configure the table the way you want it, and then use the wri...

22 days ago | 0

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How to code an equation with that integrates a vector.
Siince ‘u’ is also a vector — u = @(t) [sinh(t); cosh(t); tanh(t)] int_u = integral(u, 0, 1, ArrayValued=true) A = rand B =...

23 days ago | 0

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update guess in fsolve
I am not certain what you are actually asking. If possible (if an equation can be plotted), I usually begin by plotting iit t...

23 days ago | 1

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I can't run wavedec2() - 'unrecognized function or variable'
You may be having path probleems. Run these: restoredefaultpath rehash toolboxcache from a script or your Command Windo...

23 days ago | 0

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time series fitting to statistical moments
‘where a and sigma are unknown parameters’ Beyond that, I am clueless as to any appropriate way to do this parameter estimation...

25 days ago | 0

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Distinguish the different curves and identify the points corresponding to each way
Another approach, using the stackedplot (introduced in R2018b) function — T1 = array2table(10*(rand(100,5)+(4:-1:0)), Variable...

25 days ago | 1

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Why i get error message when trying using lowpass?
Since it seems to be installed, you may be having path problems. Run these from a script or your Command Window: restoredef...

26 days ago | 0

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Can I set a datetime locale for readtable in a script?
Note that "dd/MM/yyyy :hh:mm:ss" uses 12-hour format (using hh for the hours) without the AM/PM indicator. To use 24-hour forma...

27 days ago | 0

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Image Processing Toolbox not found despite being installed
Run these from a script or your Command Wiindow: restoredefaultpath rehash toolboxcache If that still does not solve tthe p...

27 days ago | 0

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3d lines plot
Peerhaps something like this — t = linspace(0, 1).'; x = sin(2*pi*t); y = cos(2*pi*t); z = x+y; figure plot3(x, y, z) ...

27 days ago | 0

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Answered
Potential flow past an airfoil
Check the File Exchange. When I did and searched on ‘airfoil’, I found: Plot Pressure Distribution (Cp) Over an Airfoil / Aer...

28 days ago | 0

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Forcing robustfit to return an intercept
Note that ‘Y’ is single precision. MATLAB defaults to the lowest precision, so casting it as double produces a non-zero interce...

28 days ago | 0

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How can I extract specific weather data from a 3D grid?
Without even representative data, I’m not certain even how to simulate this. I would use the scatteredInterpolant function fi...

29 days ago | 1

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ODE time vector plot does not correspond to the time vector values
We don’t have your ‘ode_arm’ function, however it may be that ode23 is encountering a singularity () at about 0.9 time units, an...

29 days ago | 0

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Alternative to ginput for finding curve intersections with unevenly spaced data in MATLAB
Another approach — x = [linspace(0, 2.4) linspace(5.2, 7, 8)].'*1E-3; y1 = [x(x<=2.4E-3)*580/2.4E-3; 500*ones(size(x(x>2.5E...

1 month ago | 1

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Plot: Dots won't go higher than y=0
If you add: set(gca, 'YScale','log', 'YLim',[10 1E+8]) you will see that the green dots plot appropriately. The y-axis limit...

1 month ago | 0

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Extracting number after a string in header of CSV file
One approach — C1 = readcell('DummyData.txt') str = {'Memory Length','Horizontal Scale','Sampling Period'}'; idx = cellfun(@...

1 month ago | 0

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Plot the function on graph
Consiider fplot. I have n o idea what ‘forina’ refers to, however the rest is straightforward — b = 2; y = @(x) sqrt(9*x +...

1 month ago | 0

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Load data into the "System Identification Toolbox"
Since you have time-domain data, use the iddata function to prepare it for the identification function of your choice. (I prefe...

1 month ago | 0

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Extracting Zoomed in part of curve and finding rising Edges of data
Depending on the result you want, it might be easier to use islocalmax for this — T1 = readtable('DS0007_REDUCED.CSV') t = ...

1 month ago | 0

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How to print array value and it's undex?
It would be necessary to print the indices as well — data(6500:6503,:) = [100 105 10...

1 month ago | 0

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How to make color axis ticklabes with two end limits ([cmin cmax]) only?
One problem may be that your clim call (at least as posted) needs parentheses. This call to clim: cl = clim; should retur...

1 month ago | 0

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Horizontal Freestream Flow Issues With Symbolic Math Toolbox
The ‘ZData’ matrix from the symbolic code appear to be transposed with respect to ‘psi_vals_fs’. This is likely due to the assu...

1 month ago | 0

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Help with making an Ellipse Area function
The only error I can see is that you need to assign something to the ‘area’ variable in your ‘EllipseArea’ function. I assign...

1 month ago | 1

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I'm trying to plot a mat file with a 1x1 structure, but it's giving the error that "Index in position 2 exceeds array bounds. Index must not exceed 1."
When you load into a variable, that creates a structure. The information you want will then be in that structure. data1 = lo...

1 month ago | 1