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MATLAB > NxM array > 比較 > y1 == y2 | 行列なのかarrayなのか

Last updated at Posted at 2017-11-15
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)
>> y1 = [ 3 1 4; 1 5 9];
>> y2 = [ 3 1 4; 2 6 9];
>> y1 == y2

ans =

  2×3 logical array

   1   1   1
   0   0   1

相異があるところが0になるようだ。

備考

言葉として「行列」なのか「array」なのか。
上記の結果からは「array」という表記。

https://jp.mathworks.com/help/matlab/math/creating-and-concatenating-matrices.html
を見ると「行列」。

???

All MATLAB variables are multidimensional arrays, no matter what type of data. A matrix is a two-dimensional array often used for linear algebra.

二次元限定の場合を「行列」と呼ぶようだ。

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