August 2020
Beginner to intermediate
332 pages
8h 16m
Japanese
book
動かして学ぶ量子コンピュータプログラミング ―シミュレータとサンプルコードで理解する基本アルゴリズム
by Eric R. Johnston, Nic Harrigan, Mercedes Gimeno-Segovia, 北野 章, 丸山 耕司
Content preview from 動かして学ぶ量子コンピュータプログラミング ―シミュレータとサンプルコードで理解する基本アルゴリズム
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106
5
章 量子算術演算と量子論理演算
図5-25
場合によっては、目的の論理関数を取得するために、
∣
0
⟩
に初期化された余分のスクラッチキュビッ
トを追加する必要があります。量子コンピューティングにおける大きな課題の
1
つは、特定の計算を実
行するために必要なスクラッチキュビットの数を減らすことです。
5.10
結論
重ね合わせ状態にあるデジタル論理ゲートを実行する機能は、ほとんどの
QPU
アルゴリズムの中核
をなしています。この章では、重ね合わせ状態の中で量子データを操作する方法や、条件付き演算を
実行する方法を詳しく見てきました。
重ね合わせでデジタル論理演算ができたとしても、結果として得られる状態から実際に役に立つよ
うに情報を抽出できない限り、その演算を利用する場面は限定的になってしまいます。これについては、
算術問題に対する解の重ね合わせを
READ
しようとすると、そのうちの
1
つだけがランダムに得られる
ことをうまく利用することで対応できます。次の章では、量子的な重ね合わせから出力を信頼性高く抽
出するための
QPU
プリミティブについて、詳しく調べることにします。これは、振幅増幅（
amplitude
amplification
）と 呼 ば れ る も の で す 。
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.