March 2023
Intermediate to advanced
326 pages
7h 11m
English
Content preview from Numerical Methods with Python
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4 Matrices, vectors, and linear systems
Our next topic deals with solving systems of linear equations. This should not be a new mathematical topic for students, but we wish to develop methods to solve these systems via programming. In the sciences, we often encounter large linear systems so employing computerized methods is a necessity. Before we begin the topic in earnest, we present some of the machinery and operations that apply to matrices and vectors in Python.
4.1 Matrices with numpy
A matrix is simply a rectangular array of numbers. The shape or size of a matrix is given by indicating the number of rows and columns contained in the matrix. For example, we say a matrix with three rows and four columns is 3 by 4 or 3 × 4. In mathematics, ...
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