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docs: "quantity character" definition improved in Glossary

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Mateusz Pusz
2023-06-22 08:17:23 +02:00
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docs/appendix/glossary.md
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@ -271,7 +271,7 @@
convertible to height) convertible to height)
- common quantity type (i.e. width + height -> length) - common quantity type (i.e. width + height -> length)
[`quantity character, character of the quantity, character`](#character){ #character } [`quantity character, character of a quantity, character`](#character){ #character }
: - Scalars, vectors and tensors are mathematical objects that can be used to denote : - Scalars, vectors and tensors are mathematical objects that can be used to denote
certain [physical quantities](#quantity) and their [values](#quantity-value). certain [physical quantities](#quantity) and their [values](#quantity-value).
@ -283,6 +283,11 @@
expressed as a product of a number and a [unit](#unit). expressed as a product of a number and a [unit](#unit).
- Vectors and tensors can also be expressed as a numerical value vector or tensor, - Vectors and tensors can also be expressed as a numerical value vector or tensor,
respectively, multiplied by a [unit](#unit). respectively, multiplied by a [unit](#unit).
- [Quantities](#quantity) of different characters support different set of operations.
- For example, a [quantity](#quantity) can be multiplied by another one only if any
of them has scalar character. Vectors and tensors can't be multiplied or divided,
but they support additional operations like dot and cross products, which
are not available for scalars.
- The term ’character’ was borrowed from the below quote: - The term ’character’ was borrowed from the below quote:
!!! quote "ISO 80000-1_2009" !!! quote "ISO 80000-1_2009"
@ -290,7 +295,6 @@
In deriving the dimension of a quantity, no account is taken of its scalar, In deriving the dimension of a quantity, no account is taken of its scalar,
vector, or tensor **character**. vector, or tensor **character**.
[`quantity specification, quantity_spec`](#quantity_spec){ #quantity_spec } [`quantity specification, quantity_spec`](#quantity_spec){ #quantity_spec }
: - An entity storing all the information about a specific [quantity](#quantity): : - An entity storing all the information about a specific [quantity](#quantity):