Answered
Add object to an image
Like this? % Read background and man image Ibg = imread('img2.jpg'); Iman = imread('img.jpg'); % Adjust man's image size t...

30 jours ago | 2

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Answered
deleting part of chars
Like this? % Random string with 100 A-Z characters str = char(randi([65 90],1,100)); % Start position (random number betwee...

environ un mois ago | 1

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Answered
Matlabでしりとりをするには
しりとりをするには、少なくとも「単語」「読みの最初の文字」「読みの最後の文字」の3列から成る単語帳が必要になるように思います。さらに、一回使った単語は以降使わないようにするため、既出かどうかを記録するための列もあったほうが良さそうです。 たとえば以下のよ...

environ un mois ago | 4

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Answered
How to plot data as a time series in a figure
How about the following? T = readtable('data.txt','HeaderLines',3,'ReadVariableNames',false); T.Properties.VariableNames = {'T...

environ un mois ago | 0

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Answered
Add missing rows to the table without loop
Like this? % Original table Tbefore = array2table([0 25 12 12 0.08; 0 33 1 1 0.0051],... 'VariableNames',{'time','radius','...

environ un mois ago | 0

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Answered
simple random time series
How about the following? N = [1000 , 500 , 2000 , 300 , 700 , 1000]; % No of samples NI = length(N); y_min = 10 + (60-10)*r...

environ un mois ago | 0

Answered
Plotting an array of string as X-axis and an array of numbers as y-axis?
Assuming your data was stored in the attached format, I think there should be at least following 2 solutions: % Read data data...

environ un mois ago | 0

Answered
How can I edit a value in multiple text files?
I believe it's better to keep the original files and save the revised files to a different folder. How about the following? In...

environ un mois ago | 0

Answered
Adding two arrays of different sizes together evenly without messing cumulative sum.
Based on the question, C should be a cumulative result starting from 0. So, it should be: C = A + linspace(0,B,length(A));

environ un mois ago | 0

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Answered
grouping numbers in matrix
More generalized solution would be: C = splitapply(@(x){x'}, B, A); If each group has the same number of elements, the followi...

environ 2 mois ago | 1

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Answered
how to multiply a number in even rows of matrix?
Please try the following: output2(:,2:2:end) = 2;

environ 2 mois ago | 0

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Answered
4d plot in order to create a surface with density from 4 vectors ( coordinates of the dots). X, Y, Z and C is the color.
OK. Then, how about the following? % Load data load('object.mat') % Create meshgrid [xq, yq, zq] = meshgrid(min(x):5:max(x...

environ 2 mois ago | 1

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Answered
4d plot in order to create a surface with density from 4 vectors ( coordinates of the dots). X, Y, Z and C is the color.
How about simply using scatter3 function, like: load('object.mat') figure scatter3(x,y,z,[],c,'.') colorbar

environ 2 mois ago | 1

Answered
regionpropsの応用について。
bwboundaries 関数を使うのはいかがでしょうか? たとえば以下のようにオブジェクトの境界をトレースできます。 % Sample binary image I = imread('toyobjects.png'); BW = ~imbina...

environ 2 mois ago | 0

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Answered
ignore or delete number or row has been multiply defined?
Simple solution will be: result = unique(yourArray); If you want to keep element's order, please try the following: [~, ia] =...

2 mois ago | 0

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Answered
Timetable Monthly Average over Many Years
Looking at your csv data, some additional options will be needed. (1) To specify the delimiter in your csv data, 'Delimiter' op...

2 mois ago | 1

Answered
change numbering inside cell
Solution 1: c_new = cell(size(c)); for kk = 1:numel(c) c_new{kk} = interp1(B(:,2),B(:,1),c{kk}); end Solution 2: % "...

2 mois ago | 0

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Answered
Extract integer number from a cell array.
If my understanding is correct, you are trying to extract numbers just after 'BUS'. If so, how about the following? % Original...

2 mois ago | 0

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Answered
Graph each side of the equation
How about using fzero function? The following is an example: % fnc = (left side) - (right side) fnc = @(x) 4.231*x - exp(-0.17...

2 mois ago | 1

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Answered
How can I set a descend order finding peaks to my graph ?
How about combining envelope and findpeaks functions? The following is an example. % Load data load('signal.mat'); load('t.m...

2 mois ago | 2

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Answered
How to take monthly flow data and obtain annual max flow values
Assuming your data was stored in 972-by-2 matrix yourData, following code can do your task. year = repelem([1:81]',12,1); year...

2 mois ago | 0

Answered
Remove the border lines.
How about using surf function with 'FaceColor' = 'interp' option, instead. Here is an example. figure surf(xx1,yy1,z1,'FaceCo...

3 mois ago | 0

Answered
how to count daily events from a time series data
How about the following? % Read your text data file T = readtable('test.txt'); % Create datetime vector Time = datetime(T....

3 mois ago | 0

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Answered
Extracting coordinates values for the line.
How about the following? % Load data and convert to gray-scale image load('v.mat'); Igray = mat2gray(v); % Apply multileve...

3 mois ago | 0

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Answered
Kmeans (Initialise centroids)
Like this? % Apply k-means clustering to data set X (e.g num of classes = 2), and obtain centroids C numClass = 2; [cluster,C...

3 mois ago | 0

Answered
plotを使った四分木分割をしたいです。
Image Processing Toolboxの関数 qtdecomp を使うのはいかがでしょうか。 以下はその一例です。 % 与えられた(x,y)座標が1(他は0)の16x16配列Iを作成 a = [2 2; 7 2; 3 7; 6 6; 8 9...

3 mois ago | 1

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Answered
connect median in a boxplot
Like this? % Sample data Data = randn(100,10); % Calculate median for each column med = median(Data); % Visualize the r...

3 mois ago | 0

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Answered
Return index of datetime column in a table
If your HData.Time column is string: % index of zero seconds idx_s = cellfun(@(x) ~isempty(x),regexp(HData.Time,'00$','match')...

3 mois ago | 0

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Answered
surf plot from text file
Like this? data = dlmread('exportfilecst4.txt'); x = data(:,1); y = data(:,2); z = data(:,6); figure surf(reshape(x,31...

4 mois ago | 1

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Answered
retime only for specific gaps on time
How about the following solution? % Sample timetable with 2 gaps (e.g >1 hour) Time = datetime('now') + minutes(cumsum(45*rand...

4 mois ago | 2

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