st: name conflict in posting a matrix

[Emmanouil Mentzakis <ementzakis@gmail.com>]

Dear all,

I am trying to -ereturn post- a matrix in order to bootstrap it but
get an error. I d be grateful if anyone could point to my mistake.
Below is an example.

Thank you

Regards
Manos


*** Example ***

sysuse auto,clear

cap prog drop ddd
program ddd, eclass
	tempname b1 b2 b3 betas
	reg price foreign, nocons
	local s1=1
	mat `b`s1''=e(b)
	matrix coleq `b`s1'' = eq`s1'

	reg price foreign, nocons
	local s2=2
	mat `b`s2''=e(b)
	matrix coleq `b`s2'' = eq`s2'

	local s3=3
	mat `b`s3''=1

	mat `betas' = `b1', `b2', `b3'
	ereturn post `betas'
end

bootstrap _b, reps(2): ddd
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