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How to change only 1 bar in a graphic bar that is grouped
Hi! Try something like this: y = [2 2 3; 2 5 6; 2 8 9; 2 11 12]; barH = bar(y) ; barH(1).FaceColor = "flat" ; barH(1).CData...

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Draw a 3D array containing only 0,1 into a 3D image
Hi! You have a volumetric data; I recommend that you use Volume Viewer to visualize it. An example below: M = randi([0 1], 10...

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Heatmap plot temperature vs time
Hi! I know what is the issue. You have a timetable not a table and the first column related to time is not considered as variab...

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How to calculate the peak-to-peak amplitude of a waveform?
Hi! Use peak2peak function. Demo below: load('ecgSignals.mat') t = (1:length(ecgl))'; plot(t, ecgl) peak2peak(ecgl) ...

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How to remove Noise using histogram In Matlab
Hi! Below is a workflow based on groupcounts function: clear load noisydata.mat figure subplot(211) plot(dataset, 'o') ti...

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How can I store video of my for loop code?
I ve written the below code that you can refer to. clear t = 0:1/100:1-1/100; vObj = VideoWriter('AnimPPlot.avi'); open(vOb...

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How to write this in the for loop?
Try this -- for n = [1:100 200:300] continue % adding this just to demonstrate end

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How can I add variables on the plot title
Hi! Pass the for loop index to num2str function then pass this to title. Something like this: time = 0:1/100:1-1/100 ; for ...

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How to apply color to histograms?
Hi! Not sure if this is what you want, but the concept is there. Work on the histogram handle and use colormap. websave("cible...

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Is there a way to threshold out only the blue elements in this picture?
Hi! Segmentation based color should work properly in this case. Use the app color thresholder to intercatively segment the ima...

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How can I filter out noise from a signal from representative noise samples?
Hi! Since you have the noise known and the measured signal to filter, I suggest to use adaptive filtering. DSP System Toolbox ...

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How do i count numbers ending in 3
This: x =[234 352 298 213 365 321 293 213] ; xs = strsplit(num2str(x), ' ') ; total = nnz(endsWith(xs, '3'))

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Problem in making multiple scatterplots/subplots?
Hi! If my understanding is correct, there is a function called plotmatrix that comes with MATLAB and that I believe is more sui...

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How to plot transfer function with cos or sin
Hi You have those cosine components which means that your system is non linear,and transfer function is only for linear systems...

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Hi! Use d2c and/or c2d functions in a MATLAB function ! Check out the link below, some others methods to do this conversion ar...

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Error , find entropy of 3d volumetric image on GLCM features ?
Hi! b1 is not truecolor image that is a m-by-n-by-3 numeric array. b1 in your case is a m by n by l by 1 (4 D array). use resh...

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Is it possible to restrict the access to a custom function to do not allow other user to apply modification?
Hi! Maybe you convert it to a protected code using pcode. See how in the link below: https://www.mathworks.com/help/releases/...

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Unable to find helperExtractLabeledData
Hi! @Walter Roberson explained why you don't have the helper function mentioned in your question. Here I am sharing a repositor...

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Making amount of two matrix same by smoothing one of them
Hi! TRy this : A = randi(10, 3000, 1) ; n = 5; % average length - 3000/600 newA = mean(reshape(A, n, [])) Hope this help...

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How to change column size in table (.txt format) to make it look neater table?
Hi! Give a try using readtable, MATLAB will organize the variables (columns) for you. If the table is not what you expected, yo...

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Creating matrix and then using it in another code.
Hi! Not sure if I understood your question correctly, but here is a potential answer: % Creating dummy data. in your case use...

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cannot use element wise operator in frequency response?
Fs=8e3; % sampling frequency Fc=170; % cutoff frequency alpha=1-2*pi*Fc/Fs; nb=round(log2(1/(1-alpha))); % number of shift to...

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Constant block doesn't accept array
Hi! I understood that you want the output of the constant block to have the same size as the array in it. Use the constant bl...

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How can I export models to Web View files programmatically?

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how to insert same scalar as length of something?
Is this what you are trying to do? A = [1,2,3,4,5] ; myScalar = 2 ; % change this to the scalar value you want B = myScala...

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How to fix the precession difference error of variables in matlab?

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I am receiving this error : Subscripting a table using linear indexing (one subscript) or multidimensional indexing (three or more subscripts) is not supported.
Hi! We don't import data from excel that way. In your case better to use readmatrix: A = readmatrix(yourFile.xlsx) ; If yo...

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Adding a new column to a matrix under certain constraints.
Hi! This a way to do this logic you described in the question, maybe there better ways ! clear % Dummy data wp = [[ones(7,...

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How to convert hourly observations to monthly mean ?
Hi! You can use retime function, but before make sure you have a timetable. % Convert to timetable if you have standard table ...

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RF CW signal generator in MATLAB/Simulink
Hi! Spectrum analyzer block inherits sample rate from the sineWave block, as it is shown on the sinewave wave block the sample ...

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