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How can I avoid offset at start and end of signal when using xcorr-function?
hello Simon I tweaked a bit your code ; see my comments and mods no more manual cuts needed it's all automatic; also there i...

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Problème avec une boucle if
Bonjour Léana est ce que tu peux partager l'ensemble du code + données d'entrée ?

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How to get a best-fit parabola using elementwise multiplication
hello Robert simply apply what the exercise description says : you are supposed to fit a parabola of the form y=C+Dx+Ex^2 th...

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calculate the average wind intensities
hello you need to compute the magnitude of your 3 components vector (and plot it against time) mag =sqrt(u.^2 + v.^2 + w.^2)...

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Curve fitting of growing measurement data set
hello this little code snipset in case it fills your needs % dummy data n = 200; x = 1:n; y = 1-exp(-x/5); yf = -flipl...

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Displacement from accelerometer data
hello the drift in the displacement is due to the fact that the velocity itself is not a zero mean signal so if you are inte...

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How to fscanf a text file of characters to a string array/vector, but not a 1x1 string?
hello try this : fid=fopen('sample.txt', 'rt') data=split(fscanf(fid,'%c')) fclose(fid); % gives : data = 6×1 cell a...

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Plots giving me straight lines instead of harmonic oscillation lines
Hello there were some bugs ... where to start ? first the way you order the recursive equations can have some importance us...

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Trying to plot my bandpass filtered signal in a time series, but I need to divide the x values by 2000 (the sampling rate) to get it to plot in seconds instead of samples/seconds
hello Rachel in most of my matlab code, I have to get the samples amount and define explicitly the time vector like this samp...

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only reading and plotting data for one file while I want it to read and plot data for 12 files
hello all plots are updated at each loop iteration on the same figure(1) so at the end you have only one figure showing the la...

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How to smooth a graph?
hello see below some examples of how to smooth data; plenty of possibilities... Fs = 1000; samples = 1000; dt = 1/Fs; t = ...

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How can I find when a signal stops oscillating more than a certain value?
hello sure it's doable use the attached code example to do a first derivative of your data, and then find the first index of...

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Getting the Fundamental Frequency from Line to Line Voltage without distorting the signal.
hello I have not really understood what the purpose of Y data from the figure was, but I guessed that the plan was to get the "...

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read each line a text file using Matlab function
hello Nadia if you use readvars, you have to know / specify how many variables you want to output example , if I specify on...

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while loop in a for loop
hello again official answer below : code fixed !! the output of the function was incorrect (wrong index and not at the right...

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Zeros between Sign Change of Values in column
hello this is my suggestion below + see attachements data = importdata('data.txt'); x = data(:,1); y = data(:,2); thr...

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I want to do loop operation of these files but fail to get the desired result. Can anyone help me to figure out the problem?
hello I tweaked a bit your code , if fact it was simpler in my opinion to do the full 4 x 4 loops instead of doing the specifi...

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Assign same linewidth to a grouped barplot
hello v1=rand(10,1); v2=rand(10,1); x=[1:10]; combined=[v1,v2]; barplot=bar(x,combined,'grouped'); barplot(1).BarWidth = ...

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Generate Frequency domain with FFT function of 3-axis accelerometer data
hello see this example - you can adapt it to your own needs all the best %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % load s...

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Remove rows from table identified in a second string array
hello Christopher thi would be my suggestion notice I changed the last 3 names in Post_Inflate_names to get a matching case ...

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Fit an exponential function to time-series data
hello this is the poor man solution without any toolbox data was stored in txt file your B = -1/b_sol from my code below ...

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How to identify datasegments that correlate to a given frequency
hello Katy I built this on your code, so first option is to see if the time interval between consecutive peaks are similar or n...

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Rename dynamically columns name of a vector inside of a for loop
hello Sara if you stick to the eval method , this is how you should code it : eval(['d_' num2str(kk) ' = d;'])

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How can I change the color of the face of a cube created using the slice command?
hello use handles to modify face colors here I changes all external faces to black [X,Y,Z] = meshgrid(0:3); V = X.*exp(-X....

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How do I add noise to a sine wave signal to get the output below
hello simply the time vector was not correct , just define it once for all plots (and with max value = 10 s and not 1 s) als...

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Reading data from multiple files in ascending order.
hello this is my suggestion , based on natsortfiles (from FEX : Natural-Order Filename Sort - File Exchange - MATLAB Central ...

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How to specify order of a Moving Average Filter?
hello a moving average filter has only a window length (and window type) as parameters, the order is not meaningfull here may...

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Hysteresis curve and envelope
hello Emily this is how I solved it (blue curve) hope it helps %Column 2 Force vs Displacement clc;clear;close all; %Tra...

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How can specify interval of variables in fsurf?
hi see 'MeshDensity' — Number of evaluation points per direction Control Resolution of Surface Plot Control the resolution o...

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Reduce the error formed due to unexpected condition in time series data. Time series correction
hello see some suggestions for data correction and smoothing in my code below hope it helps all the best clc close a...

más de 5 años hace | 0