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RaphaelFilgueiras Group Title

how many corners does a cube have in 4-D?How many 3-D faces?How many edges?A typical corner is (0,0,1,0),a typical edge goes to (0,1,0,0).

  • one year ago
  • one year ago

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  1. estudier Group Title
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    http://en.wikipedia.org/wiki/Tesseract

    • one year ago
  2. RaphaelFilgueiras Group Title
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    @estudier but how do i calculate it?

    • one year ago
  3. RaphaelFilgueiras Group Title
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    the edges

    • one year ago
  4. bahrom7893 Group Title
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    Ok, this is something I kinda learned in graph theory..

    • one year ago
  5. RaphaelFilgueiras Group Title
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    it's algebra question of strang book

    • one year ago
  6. bahrom7893 Group Title
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    |dw:1348059008536:dw|

    • one year ago
  7. bahrom7893 Group Title
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    2 dots make a line, two lines make a plane, if you connect the corresponding edges of two planes, you get a 3D cube, and finally, if you connect the corresponding edges of two 3D cubes you get a 4d cube.

    • one year ago
  8. bahrom7893 Group Title
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    |dw:1348059107792:dw|

    • one year ago
  9. bahrom7893 Group Title
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    that looks soo messy, but that's what a 4D cube should look like.

    • one year ago
  10. bahrom7893 Group Title
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    it has twice as many corners as a 3D cube

    • one year ago
  11. bahrom7893 Group Title
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    and uhm.. let me count the number of edges.. |dw:1348059232884:dw|

    • one year ago
  12. bahrom7893 Group Title
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    So it should have 32 edges

    • one year ago
  13. bahrom7893 Group Title
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    http://upload.wikimedia.org/wikipedia/commons/4/45/Dimension_levels.svg This is what I was trying to explain with my messy drawing

    • one year ago
  14. RaphaelFilgueiras Group Title
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    where the 12 come from?

    • one year ago
  15. bahrom7893 Group Title
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    12 edges of a cube

    • one year ago
  16. RaphaelFilgueiras Group Title
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    ok

    • one year ago
  17. RaphaelFilgueiras Group Title
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    thanks @bahrom7893

    • one year ago
  18. bahrom7893 Group Title
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    |dw:1348059530435:dw| and you're welcome

    • one year ago
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