Abstract
We denote by \(\mathbb R ^n\) the set of points with n real coordinates. In this text we will often represent functions abstractly by saying how many numbers go into the function and how many come out. So, if we write \( f:\mathbb{R}^n \to \mathbb{R}^{m},\) we mean f is a function whose input is a point with n coordinates and whose output is a point with m coordinates.
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© 2012 Springer Science+Business Media, LLC
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Bachman, D. (2012). Prerequisites. In: A Geometric Approach to Differential Forms. Birkhäuser Boston. https://doi.org/10.1007/978-0-8176-8304-7_2
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DOI: https://doi.org/10.1007/978-0-8176-8304-7_2
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