French railway metrics

Summary

French railway metrics is a metric function^[1]. It draws 8 Wikipedia views per month (metric_function category, ranking #18 of 20).^[2]

Key Facts

• French railway metrics's instance of is recorded as metric function^[3].
• Société nationale des chemins de fer français is named after French railway metrics^[4].
• French railway metrics's subclass of is recorded as distance^[5].
• French railway metrics's defining formula is recorded as d\colon X\times X\to\mathbb R d(A,B)=\begin{cases}|A-B|&\text{falls } A, B \text{ auf einer Geraden durch } P \text{ liegen, }\ |A-P|+|P-B|&\text{sonst}.\end{cases}^[6].
• French railway metrics's Google Knowledge Graph ID is recorded as /g/120kg_kj^[7].
• French railway metrics's MathWorld ID is recorded as FrenchMetroMetric^[8].
• French railway metrics's maintained by WikiProject is recorded as WikiProject Mathematics^[9].
• French railway metrics's in defining formula is recorded as d^[10].
• French railway metrics's in defining formula is recorded as \mathbb R^[11].
• French railway metrics's in defining formula is recorded as X^[12].
• French railway metrics's in defining formula is recorded as P^[13].
• French railway metrics's in defining formula is recorded as B^[14].
• French railway metrics's in defining formula is recorded as A^[15].

Why It Matters

French railway metrics draws 8 Wikipedia views per month (metric_function category, ranking #18 of 20).^[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.^[16]