D COMMON EQUATIONS

Not all equations are equal, and some occur more often than others in the practice of geometric algebra. We have collected the equations we use most for convenient reference. We specify their sources so that you may find the context or a similar equation if the one we give does not quite satsify your needs.

Some equations have been made somewhat more robust for practical use (such as using an absolute value under a square root to guarantee validity even with round-off errors).

Table D.1: Notation of products, operators, and possible definitions. For alternative definitions, disambiguation of meet and join, and other details, we refer to the chapters indicated. In the formulas, In is the unit pseudoscalar for the total space, ...

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