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JoelSjogren

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Aug 10th, 2020
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  1. box% sage
  2. ┌────────────────────────────────────────────────────────────────────┐
  3. │ SageMath version 9.1, Release Date: 2020-05-20 │
  4. │ Using Python 3.8.5. Type "help()" for help. │
  5. └────────────────────────────────────────────────────────────────────┘
  6. sage: u=vector((1,1,-2,3,4))
  7. sage: v=vector((2,3,3,-1,3))
  8. sage: w=vector((5,7,4,1,5))
  9. sage: v-=2*u;v
  10. (0, 1, 7, -7, -5)
  11. sage: w-=5*u;w
  12. (0, 2, 14, -14, -15)
  13. sage: w-=2*v;w
  14. (0, 0, 0, 0, -5)
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