IEVref: 102-05-01 ID: Language: en Status: backup Term: scalar line element Synonym1: Synonym2: Synonym3: Symbol: ds Definition: at a given point of a given oriented curve, differential of the abscissa of the pointNOTE For a curve defined by the position vector r as a function of a parameter u, the scalar line element is given by $|\frac{\mathrm{d}r}{\mathrm{d}u}|\mathrm{d}u$. Publication date: 2007-08 Source: Replaces: Internal notes: CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: