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Question
1つの行列を等間隔の列に分割し、それぞれの要素を足し合わせるにはどうしたらよいですか？
A = rand(10 ,1000) のような10行、1000列の行列 A が存在した時、 B = A(: ,1:100) + A(: ,101:200) + ... + A(: ,901:1000) となる行列B（10行、100列） を...
7 years ago | 1 answer | 0
