Question

Anyone know of a product formula for arithmetic progression?

Answer 1

that sounds like a contradiction in terms

Answer 2

something like that: (a1)*(a1 + r)*(a1 + 2r)*(a1 + 3r)*...*(a1 + nr)

Answer 3

\[\prod_{n=1}^{\infty}(a_1+d(n-1)) \]
maybe?

Answer 4

i dont think its an arithmatic progression tho

Answer 5

what is "d"?

Answer 6

d is the common difference in an arithmatic progression

Answer 7

r tends to mean a common ration of a geometric progression

Answer 8

http://en.wikipedia.org/wiki/Arithmetic_progression#Product

Answer 9

that might be it :)

Answer 10

that is right ;)

Answer 11

thanks ^^

Answer 12

Glad to help :)