In which case, you simply add another array component to Bernard's suggestion
=INDEX(LINEST($A$1:$A$7,$C$1:$E$7),{4,3,2,1})
gives the array of estimates in the order that you desire.

Jerry

" wrote:

This would be a bit impractical as I'm dealing with a 12+ variable
multiple regression.
I'd need to find someway to not have to store each of the regression
coefficients in unique cells.