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Old 04-27-2005, 01:17 AM   #1
2HousePlague
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math question
Does anyone remember the notation to indicate a sequential set?

As in A, B, C... -- successive values being integers, ad infinitum ??



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Old 04-27-2005, 01:18 AM   #2
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You just hurt my brain ... stop that!
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Old 04-27-2005, 01:19 AM   #3
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Math was never my strong point.
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Old 04-27-2005, 01:28 AM   #4
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You just hurt my brain ... stop that!

LOL -- sorry, bro. I should look around before raising my hand.


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Old 04-27-2005, 01:32 AM   #5
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Quote:
Originally Posted by 2HousePlague
Does anyone remember the notation to indicate a sequential set?

As in A, B, C... -- successive values being integers, ad infinitum ??



j-

You mean something like Z, N, N (superscript +) type sequential sets?
ie: N^+ = {Set of Natural Numbers} = 1, 2, 3, 4, ...
ie: Z = {Set of Integers} = ... -1, 0, 1, ...

Something along those lines?
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Old 04-27-2005, 01:39 AM   #6
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Quote:
Originally Posted by WiredGuy
You mean something like Z, N, N (superscript +) type sequential sets?
ie: N^+ = {Set of Natural Numbers} = 1, 2, 3, 4, ...
ie: Z = {Set of Integers} = ... -1, 0, 1, ...

Something along those lines?
WG

Sorta, but no. Superscript expresses a progressive function (which, of course, N+1 IS), but I'm looking for a simple way to represent (in a formula) that the same operations may be applied to the same variables as in the present formula, with identical empirical results, so long as (and whenever) all present values are advanced by one integer unit.

It's a goddmaned symbol of some sort, I just can't see it in my head.


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Old 04-27-2005, 01:43 AM   #7
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Originally Posted by 2HousePlague
Sorta, but no. Superscript expresses a progressive function (which, of course, N+1 IS), but I'm looking for a simple way to represent (in a formula) that the same operations may be applied to the same variables as in the present formula, with identical empirical results, so long as (and whenever) all present values are advanced by one integer unit.

It's a goddmaned symbol of some sort, I just can't see it in my head.


j-

I think a summation or product function can do what you're looking for.
Their greek symbols representing these functions are pi and sigma (product and summation respectively).

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Old 04-27-2005, 01:51 AM   #8
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Quote:
Originally Posted by WiredGuy
I think a summation or product function can do what you're looking for.
Their greek symbols representing these functions are pi and sigma (product and summation respectively).

WG
BINGO!

Summation notation it is...

=


Thanks, Charles!



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Old 04-27-2005, 02:05 AM   #9
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BINGO!

Summation notation it is...

=


Thanks, Charles!



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You're welcome Jack
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Old 04-27-2005, 02:11 AM   #10
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I must be tired, I thought the title was meth question.
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Old 04-27-2005, 02:14 AM   #11
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im totally lost in this thread lol
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Old 04-27-2005, 02:15 AM   #12
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oh that was easier than I initially suspected!
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Old 04-27-2005, 02:17 AM   #13
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I like math questions. It's all I'm good at
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Old 04-27-2005, 02:50 AM   #14
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I like math questions. It's all I'm good at
WG
That's no handicap, Charles -- math is everywhere...








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Old 04-27-2005, 03:07 AM   #15
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Im bad at Math but, i still click this link
gotta remind me of my funny college days during math sessions
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Old 01-01-2006, 08:22 AM   #16
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I must be tired, I thought the title was meth question.
lol, yes perhaps you were that night, but always vigorous of spirit and true -- -- you're not the first to confuse those terms.
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