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MathWorks

Last seen: Today Active since 2019

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Answered
膨張処理における長方形の構造化要素の処理内容について
こちらを見ると良いと思います https://jp.mathworks.com/help/images/morphological-dilation-and-erosion.html opening = 収縮の後、膨張 です。 英語だと、erosio...

2 days ago | 0

Answered
how to give value stress from excel give color in my mesh
Not sure what you want to do exactly but it seems this is an application of mesh function. As you can see (click the link), you...

15 days ago | 0

Answered
How can I draw lines between the points of traingle after the final formation. It is a formation control problem I want to make the plot as a moving graph how to make it?
If you want to draw the trajectories of the points, then comet would be a good fit. x = -pi:0.01:pi; y = sin(3*x) + 0.2*cos(4*...

15 days ago | 0

Answered
tableをpdfに保存する方法
コードを書かなくても、Live Editor の機能を使えば、そのまま pdf 出力ができます。 Live Editor を開いて % サンプル table データ filename = 'myCsvTable.dat'; % ;を無しにして ...

16 days ago | 0

Answered
複数のExcelファイルを連続して読み込みたい
Datastore を使うと、ループ無しでスッキリ書けます (Datastore) ds = tabularTextDatastore("*.xlsx",ReadSize="file"); こうすると T = ds.read() % もしくはread...

16 days ago | 1

Answered
How do I plot a 3d shape from a function?
There is a good example here. x = -2:0.25:2; y = x; if you want to visualize this , then surf(x,y,x.*exp(-x.^2 -(y').^2)) T...

18 days ago | 1

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Answered
How to label the curve instead of using legend?
How about using text instead as follows?: x = -pi:0.01:pi; y1 = cos(x); y2 = sin(x); plot(x,y1,'b-'); hold on plot(x,y2,'r-...

18 days ago | 0

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Answered
Images obtained by GAN could not be shown
I belive the lines I = imtile(extractdata( dlXGeneratedNew )); I = rescale(I); are not behaving as you would expect. The fu...

22 days ago | 0

Answered
Convert the noise signal into pixel image
Signal and Images are treated in the same way in MATLAB - they are considered as Matrices basically. In this sense, if you show...

22 days ago | 0

Answered
「検証済みモデルと、完全なモデルの交差検証有無について」
(回答1) 基本的なことですが、まず交差検証は何の為にやるのかを考えてみてください。モデルの経験誤差の (性能) の推定のためですよね。その数字を見て、他のモデルと比較を行って1つのモデルを決めます。モデルが決まれば、学習を行います。その際に、手持ちのデ...

30 days ago | 0

Answered
Eigenvalues by power method
See eig and eigs. Looks like eigs is more suitable for you though ... I suppose u represents an eigen vector but the initial p...

1 month ago | 0

Answered
export surface into iges
Does this tool serve for your purpose? igesout

1 month ago | 0

Answered
How to add a verteical pad obove and below the curve and graph style and color displays?
Solution 1: You can control the order of color by using colororder. Also, you can specify the line markers by like this. So...

1 month ago | 0

Answered
How do you calculate a correlation function in MATLAB?
If you want to calculate "auto correlation", see xcorr. You may need to devide the result by var.

1 month ago | 0

Answered
How to get and 3D matrix from 2 2D matirces?
How about the following solution using "ismember" ? % xy - 2D matrix x = [1 2 3 4 5]'; y1 = [3 2 1 4 5]'; xy = [x,y1] %yz...

1 month ago | 0

Answered
My input features for LSTM are different dimension, Is it possible to combine and train the network
No, you cannot do that I think. Why don't you conver the singular values into series data by using remat and put them under the...

1 month ago | 0

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Answered
Get Temperatures from Flir Camera in Matlab
factor of 0.04? see: https://flir.custhelp.com/app/answers/detail/a_id/3084/~/how-can-i-read-the-temperature-values-of-a-flir-u...

1 month ago | 1

Answered
How can I remove unwanted noise data., shown at the right of the red line
Define the line as a function f Given (x,y), delete the point if f(x) < y satisfies % data X = rand(100,2); x = X(:,1); y=X...

1 month ago | 0

Answered
Find the frequency vector using pwelch function
Did you pay attention to the Normalized Frequency? The Power Spectral Density is estimated on the frequency. Its unit is Rad/sa...

1 month ago | 0

Answered
how to antenna radiation plotter
Looks like polarplot was used. see: https://jp.mathworks.com/help/matlab/ref/polarplot.html?searchHighlight=polarplot&s_tid=src...

1 month ago | 0

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Answered
How can i set the plot values of a specgram.
Short Time Fourier Transform? stft(x,fs,'Window',kaiser(256,5),'OverlapLength',220,'FFTLength',512); see: https://jp.mathworks...

1 month ago | 0

Answered
Unrecognized function or variable in app designer
methods(Access == public) I suspect the access attribute was set wrongly. see: https://jp.mathworks.com/help/matlab/matlab_oop...

1 month ago | 0

Answered
Missing values in cell array/ cellfun deltes space in Strings
You could read your excel by using app. Go to MATLAB >> Home >> Import Data >> Import as table. If you want to have more contr...

1 month ago | 0

Answered
Fit data with a given equation for 3 variables
How about this? You only need to think about as follows: fy = @(a,b,x) ((1-(x/a)).^(-a*b)); x = [0,0.1, 0.2, 0.3, 0.4, 0.46,...

1 month ago | 0

Answered
Machine Learning for Panel Data
Yes, it does. table type variable is supported by many ML models. For example, SVM (https://jp.mathworks.com/help/stats/fitceco...

2 months ago | 0

Answered
matlab上でpythonのユーザー定義関数の編集結果が反映されない。
py モジュールの場合、変更した Python のファイルの内容が直ぐに反映されません。 再度読み込みが必要です: in-process: https://jp.mathworks.com/help/matlab/matlab_external/ca...

2 months ago | 0

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Answered
Multi-label classifications via deep learning tool box
why don't you consider this problem to be regression problem since the one you are trying to estimate is a covariance matrix, wh...

3 months ago | 0

Answered
How to update GUI in matlab App during a callback
Please see here: https://www.mathworks.com/help/matlab/creating_guis/write-callbacks-for-gui-in-app-designer.html the changes m...

3 months ago | 0

Answered
cannot open .m or .mlx file after updating the system (manjaro linux)
Here's the system requirements for Linux https://www.mathworks.com/support/requirements/matlab-system-requirements.html MATLAB...

3 months ago | 0

Answered
How to take the absolute value for 2D spectrum?
try function "abs": t=-pi:0.01:pi y= sin(t); plot(t,y); y2 = abs(y); plot(t,y2); ?

3 months ago | 0

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