Figure 8.1.2.1

Wondratschek, H.

doi:10.1107/97809553602060000514

International
Tables for
Crystallography
Volume A
Space-group symmetry
Edited by Th. Hahn

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International Tables for Crystallography (2006). Vol. A. ch. 8.1, p. 721

Figure 8.1.2.1

H. Wondratschek^a ^*

^a Institut für Kristallographie, Universität, D-76128 Karlsruhe, Germany
Correspondence e-mail: hans.wondratschek@physik.uni-karlsruhe.de

Figure 8.1.2.1

Representation of the point X with respect to origin O by the vector $[\overrightarrow{OX} = {\bf x}]$ . The vector x is described with respect to the vector basis $[\{{\bf a}_{1},{\bf a}_{2}\}]$ of $[{\bf V}^{2}]$ by the coefficients $[x_{1},x_{2}]$ . The coordinate system $[(O,{\bf a}_{1},{\bf a}_{2})]$ of the point space $[E^{2}]$ consists of the point O of $[E^{2}]$ and the vector basis $[\{{\bf a}_{1},{\bf a}_{2}\}]$ of $[{\bf V}^{2}]$ .