WhatsApp and Facebook to share users' data outside Europe and UK

 By BBC News - 2021-01-12

Description

Users in Europe and the UK must accept new terms to use the service, but will not see data rule changes.

Summary

  • Orthogonal Matrix What is an Orthogonal Matrix?
  • In terms of geometry, orthogonal means that two vectors are perpendicular to each other.
  • Additionally you may select any two rows and find that the same property holds, as the transpose of an orthogonal matrix is itself an orthogonal matrix.
  • Because the transpose preserves the determinant, it is easy to show that the determinant of an orthogonal matrix must be equal to 1 or -1.

 

Topics

  1. Backend (0.32)
  2. UX (0.22)
  3. Database (0.18)

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