I need help plotting
hello this is the correct code Uan and Uab needs to be 2D arrays (n rows and columns as many as length(t)) also some missin...

| accepted

Plot spectrogram plot just like pre 2015
hello specgramdemo was a really nice piece of code. It will be quite serious work to rebuild the whole thing otherwise , att...

| accepted

Extract maxima of a fitted curve
hello your code cannot be run because you did not provide prepareCurveData function and the data U_axis, U [xData, yData] =...

| accepted

impulse response with the commande lsim
hello your first implementation is a discrete time impulse For discrete-time systems, the impulse response is the response to...

| accepted

How to load multiple files and calculate value for each file (with same formula)
hello this is the code (principle) to load all the mat files in a loop % use the structure returned by DIR: P = cd; % worki...

i have a single row vector contains 0s and 1s and want to convert every 3 bits into integer how can i do that??
hello see below hope it helps % dummy data nbits = 3; samples = 8; x = round(rand(1,nbits*samples)); nbits_vect = 2....

| accepted

How to read a text file and save it as different variables
hello I saved you short text from the post in a file and started some coding nota this code contains also an alternative to ...

| accepted

Hello I need a code that gives me the local minimum of a histogram please ?
hello maybe this the local minima are the red diamonds x = randn(1000,1); h = histogram(x); Values = h.Values; Bin...

Generating spike using decaying exponential sinusoid of frequency 10^7Hz
hello try this code ; I guessed the pattern period about 0.01 second but you can of course modify it Fs = 1e7; dt = 1/Fs; ...

| accepted

How to plot data for hundreds of rows in MATLAB?
hello mamma mia ! You are not using matlab capabilities to do math on arrays ... there is much simpler ways to do all this stu...

| accepted

How to add the signals according to time?
hello try this (i made a few mods , see the comments) clc; close all; clear all; % In one x axis, from 0 to 0.3 seconds...

| accepted

Put cell array data into txt file
hello try this % writing dates to output file fid = fopen('output.txt','w'); fprintf(fid,'%s\n',H{:}); fclose(fid); % ch...

How to loop multi-line with data text?
hello again try this code - does not require readlines line_index will give you which line contains the searched string filen...

| accepted

How to count active faults in a specific time interval
hello try this code ; it select segments of data above a given threshold and longer than min_contiguous_samples samples; %...

| accepted

full width, half max
hello the attached code can work but is limted in terms of accuracy (will depend how fine is sampled the data) I would sugges...

| accepted

Pcolor of a time-series
hello I suspect this is the intention - demo on "dummy" data % dummy data dt = (1:3285)'; data1 = single(rand(3285,1)); ...

Fourier Analysis on a Damped Harmonic Oscillator
hello I improved a bit the firts section of your code but I don't get what you are trying to do wit the second portion of the...

Why is my projectile motion code only working at certain input angles.
hello made a for loop on angles to test the code (for one given V velocity) and it worked as soon as I put the "clear x y" li...

Transform rows to columns and add them at the end
hi simply this : >> a = [1 2 3 ; 4 5 6; 7 8 9]; >> a(:) ans = 1 4 7 2 5 8 ...

| accepted

Colorbar with equal ticks between two power exponentials
hi try this figure xt = linspace(0,log10(3e10),7); col = colorbar('XTickLabel', {'0', '0.5 x 10^{10}', '1 x 10^{10}', '1.5 ...

| accepted

merge three barh (stacked)
hello Rachele try this ! you get now one figure (plot) per variable , 20 in total) all the best t = readcell('Cartel2.x...

Plot cell data from for loop
hello maybe this ? I replaced the " mean(vertcat(y{:,r,m,ind}),1) " by a simple random number clc clearvars outLoop...

| accepted

How to generate random broadband vibration signal for certain frequency range ?
hello here you are my friend ! Fs = 500; % sampling rate duration = 10; % seconds rms_amplitude = 0.4; samples = Fs*du...

Area under a peak
hello based on @Davide Masiello excellent proposition, I tried to make the selection of the peak zone a bit more automatic... ...

Sawtooth that has 2 different times
hello here is the correct answer : T = 25e-3; % signal duration = 25 ms amplitude = 0.4; fs = 10000; % ts = 0.1 ms t = ...

find the minmum value in each column of a matrix
hello try this : d=[ 0 10.1164 0 0 0; 11.4474 0 0 ...

Cannot perform FFT on a signal imported from Simulink
hello again the issue was that the signal start with a NaN value removing this first sample would solve all your issue. maybe...

Automatic Signal denoising and segmenting for feature extraction
hello this is a code to implement a 4th order bandpass filter (and plot the fft spectrum of the signal before and after filter...

| accepted

find multiples of real number in sampled array
hello I had some code laying around and found it could be used for your purpose (the sine wave problem , and btw i could not r...