Answered
read and store data from struct file during each iteration in the for loop
I am not certain what result you want. Try this — % load('matlab') % whos('-file', 'matlab') % % Measurements field...

2 years ago | 0

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Answered
How to add hat in the plot legend?
Perhaps this — x = (0:10); y = rand(11,2); figure plot(x, y(:,1), '-g', 'DisplayName','$i_a^{true}$', 'LineWidth',2) ho...

2 years ago | 0

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How to filter rows from excel in matlab
There are two principal options. If you are only importing the dates as strings, use the weekday function — D = '12 May 202...

2 years ago | 0

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Read Garmin .fit file function
@Gabri — According to the information in the Programming Languages section of the links you provided (thank you), the SDK suppor...

2 years ago | 0

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Answered
function handle with input parameters
I am not certain that I understand what you want to do. One approach: function y = fun_Htimesx(x, H , transx_many, transy_m...

2 years ago | 1

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Answered
how to use audiowrite
You did not actually ask a question. However I get the impression that ‘dmfs’ is complex, and that is not going to work. Th...

2 years ago | 0

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Answered
Unable to fully filter out a tone with a notch filter.
It is not possible to run your code. The filter may be working, however note that it is only order 2. That may be appropria...

2 years ago | 0

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Choosing a suitable fit for the graph
I would choose a different function, perhaps something similar to with appropriate additional parameters. Then use findpeaks t...

2 years ago | 1

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Make Parametric Curves Plot Smoother
I do not see any problems. The issue you are probably dealing with has to do with the finite resolution of your monitor, and the...

2 years ago | 0

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Answered
The results of the plots does not match the actual ones
There may have been a problem converting degrees to radian measure, however that is not required in MATLAB. Use trigonometric f...

2 years ago | 1

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Answered
Scatter plot and linear regression
It would help to have your data and a description of what you want to plot and regress against what else. Then, use the lslin...

2 years ago | 0

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I am new to matlab and I'm trying to filter the noise out of the audio. I tried some filters but can't event get close to lessening the noise.
If it contains broadband noise, a frequency-selective filter will not be able to eliminate the noise. In that event, experiment...

2 years ago | 1

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Answered
remove inf in quiver
Without having ‘u’ and ‘v’ to work with, perhaps something like this using fillmissing (or fillmissing2) — x=-5:0.1:5; y=-5:...

2 years ago | 1

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Answered
How can I calculate the gradient of a vector in MATLAB?
That depends on how you want to do it. The Symbolic Math Toolbox has the gradient and jacobian functions. To do it numeri...

2 years ago | 0

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Answered
How to draw an inclined cone with an ellipse base in the three-dimensional XYZ coordinate system?
Start with the cylinder function, then modify it to create the sort of tilted cone you want. Example — r = [1 0]; ...

2 years ago | 1

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Swapping X and Y Axis of a Figure for a One-layer Matrix
I can’t run your code. Try this — contourf(E.') instead. That will transpose the matrix. so it should display the way y...

2 years ago | 2

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Answered
Generate a time series from power spectral density
In that event, just create a sine curve of the appropriate frequency or frequencies as determined by the PSD result. This will ...

2 years ago | 0

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Answered
Trying to find the integral under the curve at a certain bandwidth
Try this — clear all close all clc L=10; n=1.45; c=2.9979e8; dt = 6e-12; T=10*2*L*n/c; t = (-T/2/dt:1:T/2/dt)*dt; N...

2 years ago | 0

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Answered
Prepare Fourier Amplitude Spectrum from ground motion record (Peak-Acceleration vs time-period)
Perhaps this — T1 = readtable('india.19911019...at_output.txt'); T1.Properties.VariableNames = {'Peak Acceleration','Time'} ...

2 years ago | 0

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Other ways to improve fft amplitude
Another option may be to zero-pad the fft using: Fs = signal_sampling_frequency L = signal_length; NFFT = 2^nextpow2(L) FTs...

2 years ago | 1

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Answered
How can I write a set of first order ODEs with two variables?
Try something like this — syms D g m t x(t) y(t) Y dx = diff(x); d2x = diff(dx); dy = diff(y); d2y = diff(dy); DEqn1 ...

2 years ago | 1

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Recover signal from single-sided spectrum using ifft
The problem appears (to me) that you are using the absolute value (‘P2’) of the fft result. This essentially discards the phase...

2 years ago | 0

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FFT to a simple sine wave
I am not certain what the independent variable axis is (the label is cut off), however if you want a power spectral density plot...

2 years ago | 0

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I am recieving an error in creating the solution however it still prints a result.
In the last iteration of the loop, the results are all empty. One way to avoid the error is to test for at least one field to ...

2 years ago | 0

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Answered
Solving ODE using laplace
Your code looks correct to me, and when I checked the result with dsolve, its solution agreees with yours — syms t s y(t) Y X ...

2 years ago | 0

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Old Matlab example of 1D FFT filter
The only function that I am aware of that might do what you want is the fftfilt function (introduced before R2006a). It require...

2 years ago | 0

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Plot a vector with a given angle against the y-axis
Another approach — thetad = 280; % Desired Angle (Guessing Value) x...

2 years ago | 0

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Decreasing bin size FFT options for increased resolution
You can minimise the spectral leakage by windowing the fft (except for a rectangular window, which is the default if no others a...

2 years ago | 0

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Answered
Could anyone explain the example provided in thr help for understanding the use of fft?
This calculation of the frequency vector for the displayed Fourier transform is not the easiest to understand: f = Fs*(0:(L/2)...

2 years ago | 0

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Answered
Need help in assigning frequency and normalising amplitude to the fft plot
There may be several approaches to your problem. One of them is this — clear all close all clc L=10; n=1.45; c=2.9979e...

2 years ago | 0

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