Centuries: 2nd century - 3rd century - 4th century
Decades: 230s 240s 250s 260s 270s - 280s - 290s 310s 320s 330s 340s
Years: 275 276 277 278 279 - 280 - 281 282 283 284 285
... independent and we want to find mutually orthogonal vectors u1,...,uk which generate the same subspace as the vectors v1,...,vk.
We denote the inner (dot) product of ...
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