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JoãoVitorMC

  • 2 years ago

Anyone know of a product formula for arithmetic progression?

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  1. amistre64
    • 2 years ago
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    that sounds like a contradiction in terms

  2. JoãoVitorMC
    • 2 years ago
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    something like that: (a1)*(a1 + r)*(a1 + 2r)*(a1 + 3r)*...*(a1 + nr)

  3. amistre64
    • 2 years ago
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    \[\prod_{n=1}^{\infty}(a_1+d(n-1)) \] maybe?

  4. amistre64
    • 2 years ago
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    i dont think its an arithmatic progression tho

  5. JoãoVitorMC
    • 2 years ago
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    what is "d"?

  6. amistre64
    • 2 years ago
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    d is the common difference in an arithmatic progression

  7. amistre64
    • 2 years ago
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    r tends to mean a common ration of a geometric progression

  8. FoolForMath
    • 2 years ago
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    http://en.wikipedia.org/wiki/Arithmetic_progression#Product

  9. amistre64
    • 2 years ago
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    that might be it :)

  10. FoolForMath
    • 2 years ago
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    that is right ;)

  11. JoãoVitorMC
    • 2 years ago
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    thanks ^^

  12. FoolForMath
    • 2 years ago
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    Glad to help :)

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spraguer (Moderator)
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