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amistre64

  • 5 years ago

Recurrsion equations: X{n+1} = (1/2) X{n} + 10*(1/4^n). Any idea how to find the general and particular solutions to this thing?

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  1. anonymous
    • 5 years ago
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    just need particular...I've tried over 30 different ways...grrrhhhh!

  2. anonymous
    • 5 years ago
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    it seems that I'm getting close but no cigar, lol!

  3. amistre64
    • 5 years ago
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    Do you recall what X{0} is? so that we can make the table?

  4. anonymous
    • 5 years ago
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    100...I have the table

  5. anonymous
    • 5 years ago
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    60, 32.5, 16.875, 8.59375, 4.3359375, 2.177734375, 1.091308594

  6. amistre64
    • 5 years ago
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    if X{0} = 100 then: X{1} = 50 + 10*1 = 60..... ok. that looks right then :)

  7. amistre64
    • 5 years ago
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    X{0} = 100; X{1} = 60; X{2} = 32.5; X{3} = 16.875; X{4} = 8.59375; X{5} = 4.3359375; X{6} = 2.177734375; X{7} = 1.09130859375; X{8} = 0.5462646484375;

  8. anonymous
    • 5 years ago
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    yes

  9. amistre64
    • 5 years ago
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    and what did you find for a general solution?

  10. anonymous
    • 5 years ago
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    haven't : (

  11. amistre64
    • 5 years ago
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    oh, is particular ahead of general then?

  12. anonymous
    • 5 years ago
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    usually general but this question only asked for particular

  13. amistre64
    • 5 years ago
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    A{n+1} = (1/2) A{n} + 5*(1/2)^(n) is what Wolfram pops out, but it gives no explanation as to how it gets it :)

  14. anonymous
    • 5 years ago
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    ok thanks alot!

  15. anonymous
    • 5 years ago
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    hey man have some owlet than u will have some idea why u ,an intelligent person ask for help

  16. amistre64
    • 5 years ago
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    i dont smoke, but thanx? asking questions is the sign of intelligence, otherwise, we would only know what we know and never expand to greater horizons..

  17. anonymous
    • 5 years ago
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    but u r kinda poor in an IQ as i know.

  18. amistre64
    • 5 years ago
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    :) that may be true

  19. anonymous
    • 5 years ago
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    its almost tru cuz last time u told u left ur iq in los angeels

  20. anonymous
    • 5 years ago
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    lol

  21. amistre64
    • 5 years ago
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    left it? nah....LOST it :)

  22. anonymous
    • 5 years ago
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    the same thing.

  23. anonymous
    • 5 years ago
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    isnt it?

  24. anonymous
    • 5 years ago
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    u lost cuz u left.

  25. amistre64
    • 5 years ago
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    your the one with the IQ ;) you tell me... to leave is to know where to get it from; too lose is to never find again

  26. anonymous
    • 5 years ago
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    so than u r totally dull in an IQ.

  27. amistre64
    • 5 years ago
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    Yes, I am a vaccuum when it comes to IQ.

  28. amistre64
    • 5 years ago
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    in knowing nothing, I leave myself open to know everything; and in knowing everything, I become nothing....

  29. anonymous
    • 5 years ago
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    well u r everything for those guys whom u helped,,but u are nothing for me lol...

  30. anonymous
    • 5 years ago
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    just kidding lol

  31. anonymous
    • 5 years ago
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    you are genius...

  32. anonymous
    • 5 years ago
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    keep it up!the next einstien .

  33. amistre64
    • 5 years ago
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    :)

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