Answered
How to detect change in mean value of a signal
It may need to apply "smoothing" before detecting changes larger than 10,000. Looking at your data, ~2000 points movmean will cl...

6 years ago | 0

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Answered
Checking if word/words are present in a sentence in a table cell.
Like this? % A sample data T = cell2table({... 'M3 TRIPPED xyz','abc','pqr';... 'def','M3 TRIPPED 123','ghi'}); % Fin...

6 years ago | 1

Answered
Looking for the ways to categorize the black dots by the number of pixels...
I strongly believe the regionprops function will be your help. The following is an example: % Read image and binarize I = imre...

6 years ago | 0

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Answered
積み上げグラフのcolormapについて
たとえば以下のような方法ではいかがでしょうか？ % Sample data and color map y = rand(3,10); color = colorcube(size(y,2)); % Visualize the data fi...

6 years ago | 1

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Answered
reverse 3D euclidean distance
There should be 2 answers. Here is my try. P = [3 1 4;12 1 4; 34 2 4]; D = [81 36 601]; func = @(x) (vecnorm(x - P(1,:))-s...

6 years ago | 1

Answered
エラーバーグラフの凡例のマーカーからエラーバーを抜く方法
エラーバーチャートの上に空のグラフ（エラーバー無し）を上書きして、そのグラフに対して凡例を指定する、というのはいかがでしょうか？　以下はその一例です。 % Sample data x = 1:10:100; y = 100*rand(1,10); ...

6 years ago | 2

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Answered
How to repeatedly subdive vector rectangle into equal area?
How about using histogram2 function? The following is an example. % make dummy data x = 10*rand(30,1); y = 25*rand(30,1); ...

6 years ago | 0

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Answered
How do you calculate a trajectory through a series of 3D points using cubic splines?
One possible straight-forward way would be like this: Actually, spline interpolation seems to be better than cubic spline... B...

6 years ago | 2

Answered
How can I find RGB values of a matrix of coordinates of an image?
Another possible solution: row = round(centers(:, 1)); col = round(centers(:, 2)); R = arrayfun(@(x,y) P(x,y,1),row,col); ...

6 years ago | 0

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How can I change the retime function in order to do a median(A,'omitnan')?
How about the following? retime(Liv_dom_an, 'monthly', @(x) median(x,'omitnan'))

6 years ago | 2

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Answered
Surface area calculation for irregular shape
How about the following? %% Example in the following page % https://jp.mathworks.com/help/matlab/visualize/visualizing-volume-...

6 years ago | 1

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Eye Diagram from text file values
The following is one simple example. I hope this would be some help for your research! % Load PRBS pattern D = dlmread('PRBS_...

6 years ago | 0

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How to cluster a network?
How about applying biconncomp function? The following is an example: % Sample Graph s = [1 1 2 2 3 4 4 5 6 6 7 7 8]; t = [2 ...

6 years ago | 1

Answered
Binary String Generator With Minimum Distance
How about using BCH code ? Theoretically, BCH(n,k) encoded binary sequences has minimun distance of bchnumerr(n,k)*2+1. So if ...

6 years ago | 2

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Answered
How to prevent envelope crossing through function.
That is due to a characteristics of interpolation method (Spline) used in the envelope function. How about detecting peaks and i...

6 years ago | 2

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Answered
How to plot intensity profile of an image
Hi Warid-san, You can do it by the same way, like the following. I = imread('Capture.PNG'); % Since size(I,2)/2 = 215.5, I ...

6 years ago | 2

Answered
Sorting matrix based on the sum of the rows
Like this? % Read data from CSV A = csvread('Counts.csv'); % Calculate order vector (pt) based on sum(A,2) [~,pt] = sort(s...

6 years ago | 1

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Answered
How do I extract particular column from unformatted text in .txt file
As mentioned by many experts, it's better to save as .csv format by wireshark. But if you have to do this task from the text fil...

6 years ago | 0

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Answered
regexp: Extract optional named tokens
How about extracting 'Name', 'Gender' and 'ID' one-by-one? The following is an example. % Read the file str = fileread('trip-...

6 years ago | 0

Answered
3D Surface or Multiple Line Plots from 16 iterations of 3 column XYZ Data
Like this? data = dlmread('3DDCRXYZ.txt'); g = findgroups(data(:,3)); figure hold on for kk = 1:max(g) idx = g == kk; ...

6 years ago | 1

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Answered
I cannot get the output, Image processing
I think several points should be checked: File path in the line 1 is correct? 3rd input argument of imnoise function should b...

6 years ago | 0

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How to remove triangles from an image?
How about the following? % Read the original image I = imread('image.jpg'); % Extract orange part (using Color Thresholder ...

6 years ago | 0

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Convert distance matrix to a table
Or, if you want the full list of (from, to, distance) set, how about the following? rng('default') % For reproducibility X = r...

6 years ago | 0

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creating a cell with serial names
How about the following? suffix = repmat({'AB_'},15,1); number = cellstr(num2str((1:15)','%02d')); output = strcat(suffix,n...

6 years ago | 0

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Answered
Interpolation of a scatter plot
Seems that scatteredInterpolant function would be better. Here is an example. % Read data file T = readtable('data.xlsx'); ...

6 years ago | 0

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Answered
Extracting a specific number from an excel cell
How about the following? [~,~,C] = xlsread('yourExcel.xlsx'); C = extractBetween(C,'(',')'); C = extractAfter(C,' '); data...

6 years ago | 0

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Answered
Create a function and plot it
There are two ways to do this. [Solution 1] a = 500; x = 1:1000; fx = 1 + (a ./ (2.5 + x)); figure plot(x,fx) [Solu...

6 years ago | 1

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Answered
Row/column-wise logical indexing
How about the following solution? B = arrayfun(@(k) A(L(:,k),:), 1:size(L,2), 'UniformOutput', false); Then, your can obtain c...

6 years ago | 0

Answered
Why is theta=0 not on top
After "Ax = gca;" in your code, please add the following two lines. Ax.ThetaDir = 'clockwise'; Ax.ThetaZeroLocation = 'top';

6 years ago | 0

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Answered
How to obtain exponential equation parameter from probplot function?
I believe fitdist function should be some help.

6 years ago | 0

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