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Topic: Help with creating a function
Replies: 12   Last Post: Nov 19, 2013 3:48 AM

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Posts: 12,067
Registered: 7/15/05
Re: Help with creating a FORMULA. (no abs value)
Posted: Nov 18, 2013 6:13 AM
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Robert Crandal wrote:
>Suppose I have this data:
>X Y
>-- --
>0 -1
>1 1
>2 1
>3 1
>. .
>N N
>(Assume X is an integer >= zero)
>Is there a formula for this set of non-negative
>integers that does NOT use the absolute value

The absolute value function provides an easy way to get an
"if-then", but there are other ways.

>I thought maybe an alternating series
>would help here, but I can't think of anything.
>Any ideas?

I don't understand the table of values.

The value of y is 1 for which values of x?


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