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MATLAB > 変数の内容をファイルに保存する > save('pi.txt', 'X', '-ascii')

Last updated at Posted at 2017-11-17
動作環境
GeForce GTX 1070 (8GB)
ASRock Z170M Pro4S [Intel Z170chipset]
Ubuntu 16.04 LTS desktop amd64
TensorFlow v1.2.1
cuDNN v5.1 for Linux
CUDA v8.0
Python 3.5.2
IPython 6.0.0 -- An enhanced Interactive Python.
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
GNU bash, version 4.3.48(1)-release (x86_64-pc-linux-gnu)
scipy v0.19.1
geopandas v0.3.0
MATLAB R2017b (Home Edition)

処理の流れを把握するため、変数の値をファイル出力したい。

save()というのがあるようだ。
https://jp.mathworks.com/help/matlab/ref/save.html

>> X=[3 1 4; 1 5 9];
>> save("pi.txt", X)
エラー: save
string スカラーまたは文字ベクトルでなければなりません。

documentを見ると、変数を(')で囲う必要があるようだ。

>> X=[3 1 4; 1 5 9];
>> save("pi.txt", 'X')

保存がされたが、読めない文字列になっていた。

>> X=[3 1 4; 1 5 9];
>> save('pi.txt', 'X', '-ascii')

読めるようになった。

$ cat pi.txt 
   3.0000000e+00   1.0000000e+00   4.0000000e+00
   1.0000000e+00   5.0000000e+00   9.0000000e+00
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