Yes, there is. See -help extended_fcn-
clear
matrix input BETA=( 193\ 30 \ 133 \ 51\ 9.8 \ 0.1 )
matrix rownames BETA= dog cat rat mouse flea bubonic
matrix colnames BETA=IQ
mat lis BETA
di "row 2 of BETA is `: word 2 of `: rowname BETA''"
>
> But is there an equally simple approach to the reverse problem? I
> mean: Given a row index, is there an elegant way to extract the name
> of that row?
>
> The solution below seems clumsy. As seen with -matrix LostRowNames-,
> extracting a one-row matrix from a one-column matrix causes the
> -rownames- to be lost. Thus my program uses a column join, which seems
> like a kludge.
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