Hm. How about -1/`n'- in the -forvalues- command? Does it work that way?
The primary reason it won't work the first way is if `n' is not specified
by the time you issue the -forval- command. You can also -set traceexpand
on- to see what's happening after the macros are expanded. Sometimes,
that's a lot of fun :).
Is there a type in your -while- command? `j ' would give you an empty
string. I am not even aware of ways to define a local macro that has a
space in its name. So it is the -while- way that should not work, at least
exactly the way you wrote it.
> I tried the following code snippet in a program, but I kept
> getting an "invalid syntax" error at the -forvalues- command (according
> to -trace-):
>
> forvalues j = 1(1)`n' {
> mat `newvec'[`n'-`j'+1,1] = `rowvec'[`j',1]
> }
>
> When I replaced that code with the following, the program completed as
> expected:
>
> local j = 1
> while `j '<= `n' {
> mat `newvec'[`n'-`j'+1,1] = `rowvec'[`j',1]
> local ++j
> }
>
> I'm puzzled by this, as my reading of p.214 of the User's Guide
> suggests these two approaches should be equivalent. Any ideas?
--- Stas Kolenikov
-- Ph.D. student in Statistics at UNC-Chapel Hill
- http://www.komkon.org/~tacik/ -- [email protected]
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