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selenamalter Group Title

which product is undefined?

  • one year ago
  • one year ago

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  1. selenamalter Group Title
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    • one year ago
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  2. uri Group Title
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    matrics?

    • one year ago
  3. selenamalter Group Title
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    yeah

    • one year ago
  4. uri Group Title
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    i don't get your question?

    • one year ago
  5. selenamalter Group Title
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    A. AB B. BA C. DB D. CD would these help

    • one year ago
  6. uri Group Title
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    wait so like you're asking me to slove all this and tell you from this which one's are impossibe?

    • one year ago
  7. uri Group Title
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    solve*

    • one year ago
  8. selenamalter Group Title
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    I think so :/ you see, the problem is, i dont know how to do it

    • one year ago
  9. amistre64 Group Title
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    matrix multiplication requires that the number of columns in the first one, matches the number of rows in the second one

    • one year ago
  10. uri Group Title
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    Okay wait :3

    • one year ago
  11. amistre64 Group Title
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    |dw:1371047591398:dw|

    • one year ago
  12. selenamalter Group Title
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    so? BD ???

    • one year ago
  13. amistre64 Group Title
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    does B have a different number of columns then D has rows?

    • one year ago
  14. amistre64 Group Title
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    essentially, we need to be able to pair up vectors|dw:1371047676408:dw| if we cant pair up the vectors, we can perform the operations

    • one year ago
  15. giolefpatceid Group Title
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    For each multiplication, count the number of columns for the first table and the number of rows for the second table. If they are equal, the multiplication is valid. Otherwise the product it is undefined.

    • one year ago
  16. uri Group Title
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    It's BA.

    • one year ago
  17. uri Group Title
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    Option no.B

    • one year ago
  18. amistre64 Group Title
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    if we notate this in row,column format A=3,2 B=2,2 C=3,1 D=1,2 (r,c)(r,c) | | these numbers have to equal

    • one year ago
  19. amistre64 Group Title
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    CD = 3,1 1,2 is valid DB = 1,2 2,2 is valid AB = 3,2 2,2 is valid BB = 2,2 2,2 is valid i think thats all the valid ones

    • one year ago
  20. giolefpatceid Group Title
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    For the AB multiplication. A has 2 columns, B has 2 rows, so the multiplication is valid. You do the same thing for the rest.

    • one year ago
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