整数 n が与えられた時、以下の様な1と0を含むn×nの行列を作成しましょう。a(1,1) は1にする必要があります。
例：
入力 n = 5
出力 a が [1 0 1 0 1
0 1 0 1 0
1 0 1 0 1
0 1 0 1 0
1 0 1 0 1]- (英語版) Problem 4. Make a checkerboard matrix https://www.mathworks.com/matlabcentral/cody/problems/4-make-a-checkerboard-matrix
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日本語での出題ありがとうございます(うれし涙)