Answered
How to make this surface?
Straight-foward solution would be like this: x = linspace(0,5); y = linspace(0,2); [xGrid, yGrid] = meshgrid(x,y); zGrid =...

6 years ago | 1

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Answered
How to swap array element from two arrays conditionally
By using indexing technique, you can simply do this kind of task. The following is an example: % Original matrixes A = [... ...

6 years ago | 1

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Answered
figureの複製方法について
copyobj関数が使えるかと思います。以下は簡単なサンプルコードです。 x = linspace(0,4*pi); figure plot(x,sin(x)) ax = gca; hFig = figure; copyobj(ax...

6 years ago | 3

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Answered
How can i load .mat files from subfolders with for loop?
How about using dir function? Using the function, the solution would be like this: fileList = dir('C:\Users\**\*.mat'); for...

6 years ago | 1

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Rearrange time and turn it into Julian time
How about the following? % Read the csv file D = dlmread('h172.csv'); % Generate datetime vector Time = datetime(D(:,1),D(...

6 years ago | 0

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Answered
how to save digital output
How about using writematrix function? writematrix(a,'a_out.txt','Delimiter',' ');

6 years ago | 0

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XY plot data interactively
How about using animatedline function? The following is an example: h = animatedline('LineStyle','none','Marker','o'); axis([...

6 years ago | 0

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How do I make a different shape like a hexagon or triangle using image processing?
If you want to create regulay polygon shape image, how about using nsidedpoly function? The folloing is an example: % Create h...

6 years ago | 1

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How to draw the tangent to a curve passing through the origin
Assuming that you want to obtain tangent lines which pass through the (-110,0), how about the following? In this code, I change...

6 years ago | 0

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Answered
How to generate a matrix of variables with continous values?
How about using reshape function? The following is an example: x = 1:100; P = reshape(x,10,10)';

6 years ago | 0

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how to put border on the image over top and bottom
Assuming "imagea.jpg" and "imageb.jpg" have the same size, how about the following? a = imread('imagea.jpg'); b = imread('ima...

6 years ago | 0

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How can I make diamond shape with a matrix?
How about the following? N = 5; % <- Should be odd number A = repmat([1 2;3 4],N); se = strel('diamond',floor(N/2)); idx = i...

6 years ago | 1

Answered
AlexNet、層の深さ
厳密には、どの層の数をカウントするかによって変わってきますが、「AlexNet：8層、GoogleNet：22層」といわれるときには「畳み込み層」と「全結合層」の合計数を指しています。 AlexNet：畳み込み層×５＋全結合層×３＝８層 GoogL...

6 years ago | 3

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Answered
複数のファイル読み込み
あるいは、ファイルが大量にあるようでしたら以下の方法ではいかがでしょうか。 % カレントフォルダにある .tifファイル一覧を作成 s = dir('*.tif'); s = struct2table(s); % 末尾が _2.tif ~ _4...

6 years ago | 4

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Answered
The splitting text contains file into separate columns
How about the following? % Read txt file fid = fopen('data1.txt','r'); strData = textscan(fid,'%s','Delimiter','\r\n'); strD...

6 years ago | 1

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Answered
How do I create a 3 dimensional response surface plot from X Y Z points ?
How about using an interpolation? The following is a simple example: % Apply cubic interpolation [xGrid,yGrid] = meshgrid(lin...

6 years ago | 2

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Answered
Create a cumulative sum under certain conditions
How about the following? % Sample data days = repelem((1:10)',10,1); names = repmat(['A':'J']',10,1); output = randi(100,100...

6 years ago | 1

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Find the list of edges between 2 nodes
How about the following? tail = [1 2 2 4 5 3]; head = [2 4 5 3 3 6]; % Create graph object G = graph(head,tail); % Find...

6 years ago | 0

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How to increase elements of a vector, of different size, without changing its plot?
OK. Then, I would recommend converting your data into timetable, and applying synchronize and/or retime function. The followin...

6 years ago | 1

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Answered
Spiting Cell Array into Different Delimiter Numbers
How about the following? % Example of the input array Act = repmat({'Dive';'Run';'Walk'},4,1); uniqueAct = unique(Act); Co...

6 years ago | 0

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Answered
search for a word in a string with complete match
How about the following way? StringText = 'High rotation speed changes the parameter RevolutionChange'; WordCell = {'Slip' , '...

6 years ago | 1

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Answered
Matrix rows and columns swapping
I don't think rows and column can be randomly changed simultaneously. There should be at least 2 steps, like this: % Input 3-b...

6 years ago | 0

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3Dグラフについて
元データであるExcelファイルの各行のデータを、表示している表面プロット上に点として表示するのはいかがでしょうか？ figure surf(X,Y,Z) hold on scatter3(x,y,z,'ro')

6 years ago | 0

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Answered
Finding Closed area in a region
By using polyshape, simplify and regions functions, you can obtain polyshape object for each closed area. The following is an ex...

6 years ago | 2

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Vary the thickness of plot
How about using daspect function? The following is an example. d1 = rand(1,10); d2 = rand(1,10)*10; figure ax1 = subplot(...

6 years ago | 0

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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...

6 years 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...

6 years 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...

6 years 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...

6 years 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','...

6 years ago | 0

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