Use -summarize, neanonly- before this and pick up -r(sum)-.
Nick
[email protected]
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Andreas
> Aschbacher
> Sent: 30 March 2004 09:37
> To: [email protected]
> Subject: st: sum in nonlinear equations
>
>
> Dear fellows !
> is there apossibility to write line *9* in Stata-code -
> I have written it in pseudocode,please look at line 9
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> . capture program drop nlfaq
>
> . program nlfaq
> 1. if "`1'" == "?" {
> 2. global S_1 " A B C"
> 3. global A=1
> 4. global B=1
> 5. global C=1
> 6. exit
> 7. }
> 8. tempvar yh
> 9. gen `yh'= exp($A) + sum(from n =1 to 34)[n*cos($B)+
> (n-1)*tan($B)] -
> 2 in 1
> 10. replace `yh'= $A/$B +$C^2-log($B) in 2
> 11. replace `yh'= $A/($A+$B+$C)- sin($C) in 3
> 12. replace `1' = `yh'
> 13.
> . end
>
> . nl faq y
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> this would be very necessary for me because I could
> deconvolute with Stata
> using modified Simpsonrule for computing integrals.
> using LevenbergMarquardt with Stata is possible in
> physics,convolution-
> computing
> is very easy too,the way back namely deconvolution would be
> possible too if
> I could
> compute this sum
>
> any help would be appreciated very much
> andreas aschbacher,greetings to all fanatic Stata users in the world
>
> --
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