Respondida
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...

más de 4 años hace | 1

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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 ...

más de 4 años hace | 0

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Respondida
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 ...

más de 4 años hace | 0

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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...

más de 4 años hace | 1

Respondida
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...

más de 4 años hace | 0

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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...

más de 4 años hace | 0

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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... ...

más de 4 años hace | 2

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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 = ...

más de 4 años hace | 0

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

más de 4 años hace | 0

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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...

más de 4 años hace | 0

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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...

más de 4 años hace | 0

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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...

más de 4 años hace | 1

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Adding additional column into the array
hello simply this Anew = [A B(:,5)];

más de 4 años hace | 0

Respondida
How to arrange the correct range in colorbar in MATLAB
hello as I don't have the toolbox for fit, I used instead the FEX submission (excellent) from John D'Errico : polyfitn - Fil...

más de 4 años hace | 0

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Plotting SPL(dBA) from an audio WAV file?
hello Zhu no problem, I'll try to answer as precisely as possible the amplitude is negative because the dB scale is the log of...

más de 4 años hace | 3

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How do I iterate through a line while skipping a set number of values from the beginning of the line?
hello maybe this code could be of some help (to extract snipsets of data based on threshold comparison with running rms value ...

más de 4 años hace | 0

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Smooth vector data with a specific step
hello not sure what you are trying to do , but if it's about splitting data in buffers and doing some math on the buffers (mea...

más de 4 años hace | 0

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How should I import dataset separately from a long text file?
hello the demo txt files has two tables so this is how the code generates the labels and data (as cell arrays) label = 1×...

más de 4 años hace | 0

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calculating the x1 and x2 of a peak automatically for every data ?
hello tweaked and completed your code so that the Q factor is now automatically computed x1 is flow in my code, x2 is fhigh ...

más de 4 años hace | 0

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using acceleration record, Get velocity and displacement signal & carry out FFT and plot the spectra
hello see my suggestion below clc clearvars data = readmatrix('GEE Earthquake.xlsx'); t = data(:,1); dt = mean(diff(t)); ...

más de 4 años hace | 0

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Respondida
Flatten plot from two vectors
hello a small demo to compare smoothing and spline fitting (using this FEX submission : SPLINEFIT - File Exchange - MATLAB Ce...

más de 4 años hace | 0

Respondida
Matlab: While loop use end values
hello try my little demo below clc clearvars nsamples=10; for k = 1:nsamples % constants init (my guess / ...

más de 4 años hace | 0

Respondida
How to do simultaneous flickering of two straight line plots
hello Marissa try this code all the best clc clearvars clf figure(1) a=plot([6;9],[0.4;0.4],'linewidth',8,'color','green...

más de 4 años hace | 0

Respondida
Loop over subfolders in directory instead of using 'cd' and perform calcuations and give output for every subfolder
hello this is my suggestion - you may have to adapt it to your specific needs clc clearvars %% define path yourpath = pwd...

más de 4 años hace | 1

Respondida
How can I use the array of data into a formula to calculate and get the data.
hello some dots where missing here (read again the doc about dot product) Vout=f*Ip*((4*pi*Np*Ns*u0*b*x)./(3*m*log(r))).*(1-((...

más de 4 años hace | 0

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How to filter a signal when I know the max and min frequencies of the signal.
hello try this Nb : for my demo only 10 first channels processed and displayed all the best clc clearvars %%%%%%%%%%...

más de 4 años hace | 1

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Putting NULLs in between the string array.
hello here you are A={'a','b','c','d','e'}; index=[1,3,5]; %% main code ll = numel(A)+numel(index); index_comp = (1:ll)...

más de 4 años hace | 1

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sine waveform with frequency and samples
%%Time specifications: f = 100; % signal frequency sps = 15; % samples per signal period Fs = sps*f; % samples per se...

más de 4 años hace | 0

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How to plot a smooth curve for Empirical probability density ?
hello tried a few options , smoothdata and spline fit. In fact, I was thinking you wanted something super smooth so I first o...

más de 4 años hace | 1

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Multiple plots with a several of variables
hello again a basic for loop demo on dummy data samples = 100; data = rand(200,samples); [m,n] = size(data); tra...

más de 4 años hace | 0

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