Peter-Lawrence . Montgomery on Wed, 12 Feb 2003 18:47:29 +0100


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Re: Where's the logic?


- From pari-users-return-602-pmontgom=cwi.nl@list.cr.yp.to Wed Feb 12 18:28:42 2003

- ? v=[2,3,4,5]
- %1 = [2, 3, 4, 5]
- ? v-1
  - ***   forbidden addition t_INT + t_VEC.
- ? v/2
- %2 = [1, 3/2, 2, 5/2]
- ?
- 
- Jon Perry
- perry@globalnet.co.uk
- http://www.users.globalnet.co.uk/~perry/maths/
- http://www.users.globalnet.co.uk/~perry/DIVMenu/
- BrainBench MVP for HTML and JavaScript
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-

      In the definition of vector space, the operation 

            vector * (field element)

is fundamental.  The notation

            vector / (field element)

is shorthand for 

            vector * (1/(field element)).

What does it mean to add a field element to a vector?