# [racket] Sum of Even

 From: David Van Horn (dvanhorn at ccs.neu.edu) Date: Tue Sep 25 12:23:23 EDT 2012 Previous message: [racket] Sum of Even Next message: [racket] html -> pdf? Messages sorted by: [date] [thread] [subject] [author]

```On 9/25/12 11:04 AM, Ashley Fowler wrote:
> I am trying to do a recursive analysis on the Sum of even numbers
> function. So far I have already defined the function. I have found the
> base case. The hard part is finding the non-recursive definition. I'm
> having trouble of what non-recursive definition even means.
>
> Step 1 - Base case: sumEven(N) = 2, if N = 1
>
> Step 2 - Non-recursive definition =
>
> (define sumEven
>      (lambda (N)
>        (cond((= N 1) 2)
>             ((> N 0) (*(+ N 1)N)))))

Sounds like homework to me.  Why don't you seek out some help from your
instructor or teaching assistants if there are any.

David

```

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