August 2019
Beginner to intermediate
798 pages
17h 2m
English
Content preview from Mastering Go - Second Edition
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Performing matrix calculations
A matrix is an array with two dimensions. The easiest way to represent a matrix in Go is using a slice. However, if you know the dimensions of your array in advance, an array will also do the job just fine. If both dimensions of a matrix are the same, then the matrix is called a square matrix.
There are some rules that can tell you whether you can perform a calculation between two matrices or not. The rules are the following:
- In order to add or subtract two matrices, they should have exactly the same dimensions.
- In order to multiply matrix A with matrix B, the number of columns of matrix A should be equal to the number of rows of matrix B. Otherwise, the multiplication of matrices A and B is impossible.
- In ...
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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.
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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.