April 2016
Intermediate to advanced
336 pages
7h 21m
Portuguese (Portugal, Brazil)
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CAPÍTULO 4
Álgebra Linear
Existe algo mais inútil ou menos útil que Álgebra?
—Billy Connolly
A Álgebra Linear é o ramo da matemática que lida com espaços vetoriais. Apesar de eu não achar que vou conseguir ensinar álgebra linear em um capítulo, ela sustenta um grande número de conceitos e técnicas de data science, o que significa que eu devo a você, ao menos, uma tentativa. O que aprenderemos neste capítulo, usaremos excessivamente no decorrer do livro.
Vetores
Abstratamente, os vetores são objetos que podem ser somados juntos (para formar vetores novos) e que podem ser multiplicados pelos escalares (por exemplo, números), também para formar vetores novos.
Concretamente (para nós), os vetores são pontos em algum espaço de dimensão finita. Apesar ...
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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.