March 2019
Intermediate to advanced
368 pages
7h 53m
German
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KAPITEL 1
Vektoren, Matrizen und Arrays
1.0Einführung
Die Programmbibliothek NumPy bildet die Grundlage des Python-Stapels für maschinelles Lernen (auch als SciPy-Stapel bezeichnet). NumPy erlaubt effiziente Operationen auf Datenstrukturen, die in Projekten des maschinellen Lernens häufig vorkommen: Vektoren, Matrizen und Tensoren. Auch wenn NumPy nicht im Mittelpunkt dieses Buchs steht, werden Sie in den folgenden Kapiteln häufig auf diese Bibliothek stoßen. Dieses Kapitel behandelt die gebräuchlichsten NumPy-Operationen, mit denen Sie es in Workflows des maschinellen Lernens höchstwahrscheinlich zu tun haben werden.
1.1Einen Vektor erzeugen
Problem
Sie müssen einen Vektor erzeugen.
Lösung
Verwenden Sie NumPy, um ein eindimensionales Array anzulegen: ...
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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.