June 2024
Intermediate to advanced
408 pages
7h 17m
English
Content preview from Programming Puzzles: Python Edition
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Background
In mathematics, a matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns. Matrices are often labelled by capital letters, such as A, B, C, etc. Each element in a matrix is referred to by its row and column indices.
For example, consider the following matrix A:
This matrix has 3 rows and 3 columns, and its elements can be referred to as A_ij, where i is the row index and j is the column index. So, for example, A_12 = 2 and A_31 = 7.
Matrices can be used to represent large sets of data and operations can be performed on them such as matrix multiplication.
To perform matrix multiplication we need ...
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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.