Abstract
Consider the system of linear equations
where A is m × n and b is an m -element vector. The meaning of Eq. (3.1), as a system of equations, is that we seek an n -element vector x satisfying that system. If m = n and if A is nonsingular, the eequation system above has the unique solution
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© 2000 Springer Science+Business Media New York
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Dhrymes, P.J. (2000). Systems of Linear Equations. In: Mathematics for Econometrics. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-3238-2_3
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DOI: https://doi.org/10.1007/978-1-4757-3238-2_3
Publisher Name: Springer, New York, NY
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Online ISBN: 978-1-4757-3238-2
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