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I want to do fft analysis of the input signal but I am getting the following error
hello I had to tweak a bit my code because your data file does not have same amount of rows depending at which column we look ...

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error in computing log values
hello the "log" error was just a consequence of an algebraic loop of OutletEnthalpy bloc : (its input is dependant of the P ou...

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How to interpolate 3 matrices?
hello Federico this is my suggestion : I give a given RPM target value and serach for all points in the 2D array that are clos...

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Calculating Mean, Median, STD from an excel documents that has 68 sheets and in each sheet there are 20 columns
hello Sophie you can do everything within the first for loop I assumed that the min/max / med / average computation muts giv...

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EQ from measurement-data
hello maybe you should share the data file (measurements) and code if you have already started one once we have created the ...

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Seperating individual signal as a seperate matfile
hello you can adapt the code below to your own needs this demo shows how to use a threshold crossing detector to define star...

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Heatmap log colour scale: caxis() doesn't map values correctly?
hello no mre problem my friend ! % Create log values and generate heatmap dim = 10; x = logspace(-5,5,dim); values = re...

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Issue with load from text file with hex data
my 2 cents suggestion >> a = readlines('textfilename.txt') a = "0xd080 " >> b = hex2dec(char(a)) b = ...

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extracting one cycle from multiple sinusoidal waves
hello I used zero crossing interpolation method to select the last cycle of the data the extracted data are interpolated beca...

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How do we plot graphs from excel file?
hello this is my suggestion, hope it helps clc clearvars fileDir = pwd; sheet = 2; % data must be retrieved from sh...

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Using Spectrogram to Design a Filter
hello I checked your code and it's correct the beeper fundamental frequency is around 1000 Hz while the owl is around 300 Hz...

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Logarithmic Decrement and Damp Ratio
hello a very late answer to this question - siply because this code was reused in another post FWIW, this is the answer I alr...

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I need help with The logarithmic decrement, The undamped natural frequency ,The damped natural frequency ,The damping ratio please
hello this would be my suggestion - damping ratio of 0.4 is found coherent with the fast decay plot will show the two succes...

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Out of memory. The likely cause is an infinite recursion within the program. Error in polyfit (line 3) p = polyfit(x,y,2);
No issue so far on my R2020b copy pasted your data in my demo code and worked without issue : clc clearvars % data ...

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Why isn't my graph plotting correctly?
hello I have a bit modified your code , I had to replace viscircles with a similar function (cercle ) - but you can easily com...

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what mistake I am making?
hello I simply tested the first data set when you do : impFatigueA = importdata('Fatigue_A.txt'); impFatigueA is a structu...

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Color scale of scatter plot?
hello A minor variation on the above suggestion % dummy data N = 100; Xc = 5; % center X coordinate Yc = 5; % center...

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How to remove Outliers
hello here is a quick result after a few manipulations code clc clearvars T = readtable('AskingData.xlsx'); P = T....

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How to use findpeaks to find the width of the peak at 1/e^2.
hello this would be my suggestion this code will find the peak value then from there you can tell at which y threshold value ...

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How can I skip the first to lines from a text file and proceed to read the file with header lines in between the values?
hello Sarah this code will retrieve the numerical data of the 2nd column (3744 values) filename = 'BSH_HBM_tracer_productgrid_...

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How to find whether an array is logarithmically spaced
well if you have a criteria that works for lin spaced arrays (like checking that std(diff(y)) is always below a very low thresh...

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Help! Evaluation of csv measurement data
hello Meike seems what you looking for is just a fraction of the full M array if you plot the full M array , we get this M...

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Avoiding drift while creating angular rotation with variable degree increments
hello why make things so complicated ? this way you can generate the pattern for the first revolution . if you want to have ...

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How to apply FFT or LombScargle to a discontinous signal?
hello I used fillmissing to fill the Inf values (created by your log10 of zero in your function) then the fft will show this ...

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how to save variable as txt in a specified location with variable value appearing in the file name
hello try with (last two lines) f = f'; save(['Gauss' num2str(width) '.txt'], 'f','-ascii')

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How to give different colors to different regions of a signal(extracted from an audio amplitude-Fs)?
hello maybe this ? clc clearvars % signal Fs = 100; dt= 1 /Fs; samples = 5*Fs; % 5 seconds of signal freq = 3; ...

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How to add ramping in sin function
hello see my little demo below : clc clearvars % signal Fs = 100; dt= 1 /Fs; samples = 1e3; freq = 10; t = (0:sam...

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Control figure title, size and position in for loop
hello see my suggestion below . I didn't have the problem of figure resizing, but I don't understand why you plot 6 times exac...

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Is there any better way to find the average of a dynamic signal for a specific time like 10s or something.?
hello this is a demo code for splitting a signal in smaller chunks (buffer) with or without overlap (as you prefer) for each ...

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Audio signal reading and manipulation
hello this is my code but there are a few open questions why you say that we take 5 samples while y and z are vectors of 4 s...

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