Abstract
A linear equation in n unknowns x1,…,xn is an equation of the form
where a1,a2,…,an,b are real or complex numbers, and are referred to as the coefficients of the equation. When n = 2 and a1, a2 are real, such an equation is the Cartesian equation of a straight line in ℝ2 (Fig. 3.1(a)); when n = 3 and a1 a2, a3 are real we have the Cartesian equation of a plane in ℝ3 (Fig. 3.1(b)); see section 1.5(f).
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© 1988 David A. Towers
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Towers, D.A. (1988). Row Reduction. In: Guide to Linear Algebra. Macmillan Mathematical Guides. Palgrave, London. https://doi.org/10.1007/978-1-349-09318-2_3
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DOI: https://doi.org/10.1007/978-1-349-09318-2_3
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-43627-1
Online ISBN: 978-1-349-09318-2
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