Abstract
The word orthogonal is a mathematician’s word for“perpendicular”.In order to address questions surrounding the notion of orthogonality, the theoretical setting is that of a preHilbert or an inner product vector space, which is equipped with an scalar product.This somewhat abstract notion allows us to address with the same approach situations in quite different settings, indeed some which are far from the“right angles” of classical Euclidean geometry.
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© 2000 Springer-Verlag France
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D, G.C., F, J.M., L, H. (2000). Orthogonality. In: Visual Mathematics, Illustrated by the TI-92 and the TI-89. Springer, Paris. https://doi.org/10.1007/978-2-8178-0201-5_5
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DOI: https://doi.org/10.1007/978-2-8178-0201-5_5
Publisher Name: Springer, Paris
Print ISBN: 978-2-287-59685-8
Online ISBN: 978-2-8178-0201-5
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