Answered
Moving window percentile computation using Conv
hello maybe this ? NB it does not need conv but requires Statistics and Machine Learning Toolbox % dummy data t= 0:0.25:100;...

1 year ago | 0

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Answered
Why does the signal become thicker after noise reduction and the dots on both sides diverge?
hello again you can already get decent results with smoothdata , other smoothing techniques based on splines or NN could also ...

1 year ago | 0

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extracting overlapping portions of 2 similar tracks
hello you could do something like this ... I have manually checked which track is the longest and the code works here because ...

1 year ago | 0

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Matlab code to find the Wave height
hello again I am by no means an image processing expert, but sometimes I go outside my comfort zone ... hopefully my suggestion...

1 year ago | 0

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how to separate the real and imaginary parts inside a cell
Maybe this ? % create dummy data n = 32; for k = 1:2 cellarray{k} = k*ones(n,n)*(1+1i*5); end % process it for ...

1 year ago | 0

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Change format of field contour labels that have been manually added in a tiled layout
why not create explicitely the levels (V array) ? a = 0.98; b = 1.02; Z = peaks(99)/100 + (a+b)/2 ; XY = [-0.375:.125:.37...

1 year ago | 0

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Answered
How to find center and radius of an arc from binarized image
hello this is what I can offer you today you will need the attached function (CircleFitByTaubin.m) , and this Fex submissio...

1 year ago | 0

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How do i show the "delta" difference between the two plotted curves?
hello you need to "realign" your two data sets vs common x vector - in other words we need to creat a new x vector and inter...

1 year ago | 0

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Answered
Extraction of the spatial coordinates of a curve and calculation of the normal line to each of its points
hello tried a few things here As far as I have understood correctly your question, the points you are looking for are given ...

1 year ago | 1

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Answered
Put to white the plot space outside a geometric shape
hello have you checked that the colorbar is symetric around zero (to have white color correspind to zero exactly ? ) this re...

1 year ago | 1

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Answered
Error: unrecognized function or variable "bi2de"
Thanks to this post it was easy to (re)create the missing / unknown bi2de function (see end of the code) : Most efficient way to...

1 year ago | 0

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comment afficher une image à un endroit spécifié d'un axe ?
hello Daniel you need to freeze your axes , otherwise you will not get the desired results here I simply used "hold on" after...

1 year ago | 0

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Converting cell array with <missing> elements to numerical or double matrix
hello if you want to stick with readcell, you could do that : clc InputData=readcell('MATLAB_readcell.xlsx',"Sheet","Sample...

1 year ago | 0

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Answered
Is there a way to crop an array depending on the values that I want through a function as the values change?
hello try this : a = [0 0 0 0 1 1 1 1 1 0 0 0 1 0 0 0 0 1 1 1 1 1 0 1 1 1 1]; ind = logical(a); [begin,ends] = find_st...

1 year ago | 0

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Answered
Slicing arrays and save it in the file
hello with your input data in attachment, try this code : % load data data = readmatrix('data.txt'); % or readtable if yo...

1 year ago | 1

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Script has no errors, but no plot is given
again... let's fix it I cannot check here if e^(r(i)^2) (probably wrong) must be replaced by exp(r(i)^2) - I let you double ...

1 year ago | 0

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Use of eig(A) for eigenvectors
hello let's fix it 1/ had to remove the trailing end - there's simply no reason to have an "end" at the end of your code - p...

1 year ago | 0

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Answered
The blank before var >0.5 cause error in R2016a
I don't think it has to do with a specific release I have the same result with R2020a now either you put no space or at least...

1 year ago | 1

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Remove harmonics background noise
I have some doubts we can recover a clean sinewave from that ... nevertheless I tried a few things ... first I decimated the sig...

1 year ago | 0

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Hi I have Csv file for voltage and time data and I would like to compute spectrogram to to compute harmonics at different frequencies but my spectrogram looks so much noisy or
hello you may play with the colormap and also with the displayed dB range to focus on your signal tones and not the background...

1 year ago | 0

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Answered
Plotting path of rods on a circular disk along a surface to deduce rack gear profile.
ok, I had some fun today with your exercise ... time to grind a bit the sharp edges though ! % a disk fitted with 4 rods d = ...

1 year ago | 1

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Answered
Plotting while skipping the middle point in a vector
hello if you can avoid update the plot inside the for loop here I store your data in xx and yy arrays and after the for loop...

1 year ago | 1

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Rows interpolation in a matrix
hello you can use fillmissing for this task data = readmatrix("data.txt"); data(abs(data)<eps) = NaN; data_out = fillmiss...

1 year ago | 2

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How to call a own function in other mfile?
hello you simply need to have your function(s) located at the end of your script (mfile) % example code %% main code x =...

1 year ago | 0

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How do I reorder a regression plot in the desired sequence?
hello again you could do that NB that the cos^2 is not what I used A simple sin (or cos if you prefer works better - your ...

1 year ago | 0

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How to merge and smooth multiple curves in a plot, if there are discrete points?
hello tried afew options, probably here my best result in the very limited time I have now : this is a demo on the first two...

1 year ago | 0

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Answered
Plot 3D surface within nonlinear bounds
hello this is a job for inpolygon Points located inside or on edge of polygonal region - MATLAB inpolygon - MathWorks France...

1 year ago | 1

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calulate the indicated mean pressure with a p-v diagramm
hello Julian yes you can use polyarea, I believe you could also with trapz like in my example below (it uses this Fex submissi...

1 year ago | 0

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Answered
I have a function that adds a legend I want to make the legend group certain plots together yet so that instead of a legend with 14 entries there is a legend with 5 entries
this is a simple solution, where the files are processed in the order that you wished (cf list = [1 3 5 2 4 6 7 9 11 8 10 12 13 ...

1 year ago | 0

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Obtain Transfer Function for Bode Plot data from PLECS Software
hello If you have the signal processing toolbox, you can use invfreqs or invfreqz to identify a transfer function here I use...

1 year ago | 0