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Kojiro Saito


MathWorks

233 total contributions since 2016

Application Engineer at The MathWorks (Japan).

Experience:
-Remote Sensing
-Image Processing
-GIS including WebGIS
-Parallel computing
-Distributed computing

Special interest:
-Parallel / distributed computing
-Enterprise solution (Web, database)
-GIS, mapping

DISCLAIMER: Any advice or opinions posted here are my own, and in no way reflect that of MathWorks.

NOTE: Please do not send me individual messages or questions, as I will not be able to respond to them. If you have technical questions about MATLAB, please use the various resources on MATLAB Central. If you have a valid license, you can also use Technical Support.

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Contributions in
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Answered
LinuxにMATLABをインストールする際、「フォルダを作成できません」をエラーが出てしまう。
パーミッションの問題のようです。先にインストールディレクトリのパーミッションを作成して、一般ユーザー(./installを実行するユーザー)でも書き込みできるようにする方法1と、gksudoを使う方法2のどちらかで解決できると思います。 方法1 ...

1 día ago | 0

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.NET Assembly dll in C# with error "Not enough input arguments"
Since your TestAdd function requires three input arguments and your inputs in C# is one array, you need to put each input separa...

8 días ago | 0

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画像の合成に関して
imshowのオプションにXDataとYDataを付けて重ね合わせてみてはいかがでしょうか。 imshow('peppers.png') hold on img1 = imread('coins.png'); xoffset = 50; yoff...

10 días ago | 1

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Answered
MATLABWebAppServerSetupのインストールで、インターネット接続下でエラーが起こる場合の、対処法を知りたい
こちらのリンクが参考になるかもしれません。プロキシサーバーか、ファイアウォールでブロックされている可能性があります。プロキシサーバーを経由する場合、Webアプリサーバーのインストール時に「接続設定」をクリックしてプロキシサーバーの情報を入力します。 ...

12 días ago | 0

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MATLABでpythonのクラスの呼び出し
以下のようなPythonファイルをMATLABのカレントディレクトリに置いておき、 helloClass.py class Hello: def hello(self): print "HelloWorld!" ...

18 días ago | 1

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How to convert date by changine date format from text file?
Simply, you can utilize table's functioinalities. t = readtable('test5.txt'); % Create datetime and display as "day-month-ye...

22 días ago | 0

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How to train LSTM
From R2017b, lstmLayer was introduced. In order to train the LSTM network, trainNetwork function will be used. In documentation...

24 días ago | 0

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How to remove header lines in .txt file?
I'm not sure about your MATLAB version, but from R2016b, you can use delimitedTextImportOptions which can be called with detectI...

26 días ago | 1

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How to load an image file in APP DESIGNER
You need create uiaxes first and show the image on the axes. First, add Axes component in Design View of App Designer. UIAxes ...

27 días ago | 0

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App designer error classify
Your classify function is treated as that of Statistics and Machine Learning Toolbox in the compiled application. In order to fo...

alrededor de 1 mes ago | 0

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Convert table and plot dates
You can convert cell arrays which contain characters using str2double. Here is a sample code. % Convert to datetime data2.Date...

alrededor de 1 mes ago | 0

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How to add constant line in appdesigner
Data type of dropdown.Value is a character, so you need to covert it to number. The following will work. Please replace "plot" ...

alrededor de 2 meses ago | 1

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How do I store a figure within App Designer such that it can be replotted at will by a button press?
You cannot access to a deleted figure, so how about saving it as a fig file first? start 1st button push callback [orig_fig1]...

alrededor de 2 meses ago | 0

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Answered
Categorical bar plot in AppDesigner (change colors and add refline)
1) You can set colors on each bar by CData property. b = bar(app.UIAxes, categorie, Data, 'FaceColor', 'flat'); b.CData = [0 0...

alrededor de 2 meses ago | 1

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Answered
Matlabで構築した関数のwebアプリケーション(html, javascript内で使用するなど)への導入について
いくつか方法がありますが、MATLAB Production Serverを使う方法が実装が楽で拡張性も高いです。それ以外にもMATLAB CompilerやCompiler SDKでMATLABスクリプトを実行ファイルやライブラリファイルにしてサーバーに...

2 meses ago | 7

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Answered
App Designer: Display text before executing
One way is to pause a bit (for exapmle, 0.01 second) in order to display the text before doing long-time operation. function bu...

2 meses ago | 0

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Answered
Importing CSF file to matlab and accessing columns
Assume you have a following CSV file, sample.csv time,voltage 1,100 2,101 3,104 4,105 you can access to the specific colu...

3 meses ago | 0

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MATLAB distributed computing server
if you're using mapreduce and want to run in Hadoop, you don't need Spark. There are two options. 1. Use MATLAB Parallel ...

3 meses ago | 0

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How do I connect JDBC with compiled application?
Regarding your last comment, from Powershell and Command Prompt, number is passed to compiled MATLAB function as characters, so,...

3 meses ago | 0

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Answered
linuxでのライセンスファイル更新を行う際に、ライセンスマネージャーを起動させることができません。
こちらのリンクにあるとおり、Linuxでライセンスマネージャーを起動させる場合、 /var/tmp/lm_TMW.log のライセンスログファイルに「追記」されます。 今回のケースでは、以前ライセンスマネージャーを起動させていた際に出力されたlm_TMW...

4 meses ago | 0

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Answered
MATLAB MySQL Database connection error
In order to specify JDBC, add key-value pairs to database function (ref: document). conn = database('localdb','root','', 'Vendo...

4 meses ago | 0

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Answered
How to obtain the text of the selected radio button group in app designer?
I think you need to add assign an initial value to app.GratingPeriod. From Code Browser in Code View, click "+" button and add ...

4 meses ago | 0

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Answered
Loading data into function workspace
If a variable is assinged to output of load, the variable is struct (Ref: document). So, you need to extract an array from struc...

4 meses ago | 1

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Answered
Trying to load .mat file into App Designer and then graph it
You need to set file path from uigetfile then load it. [file,path] = uigetfile('*.mat', 'Select a File'); if isequal(file,0)...

4 meses ago | 0

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Undefined function or variable 'wordEncoding'.
wordEncoding is available in Text Analytics Toolbox from R2018b. Could you confirm your MATLAB version?

4 meses ago | 1

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Answered
problem in generating exe file while using mcc
It might be because the excel file is included in compiled standalone exe file. To avoid this, Move the excel file to a diffe...

4 meses ago | 0

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Where does the compiler store any "files required for your application" such as a template Excel Workbook?
Files which were included in "Files required for your application to run" are to be included in a standalone exe file created by...

4 meses ago | 0

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Answered
Matlab doesn't open (it's installed and activated)
It might be MATLAB's prefdir is collapted. Please delete the following folders (previous prefdir) C:\Users\YOUR_USER_NAME\Ap...

4 meses ago | 1

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Answered
uitab copy one table from another?
I think creating an uitab, creating an uitable into uitab, then setting data into the uitable will work. % creat a new tab use ...

4 meses ago | 0

Answered
Licence errorr -9
License error 9 occurs when MATLAB is activated by different user account from the account you're currently using and here is an...

4 meses ago | 0

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