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20 May 2024

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25 April 2023

  • 09:5609:56, 25 April 2023 diff hist +134 Four-vectorElaboration on my previous edit. Tags: Visual edit Mobile edit Mobile web edit
  • 09:4309:43, 25 April 2023 diff hist +82 Four-vectorAdded an intermediate step into an equation to remind readers that η comes from the dot product of the basis vectors (mathematically speaking) Tags: Visual edit Mobile edit Mobile web edit
  • 09:2709:27, 25 April 2023 diff hist +141 Four-vectorA conceptual confusion between the vector itself and its components. The basis vectors are absolutely necessary; although one might 'absorb' the basis vectors in calculations when it's obvious what they are, the dot product of the basis vectors is what gives η, so we should make sure we teach new students the rigourous way. Also note that what I removed violated the rules for indicies (one cannot turn paired indicies into a singled index). Tags: Visual edit Mobile edit Mobile web edit

11 April 2023

4 June 2022

26 May 2022

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