I find myself in the same position. What is the current wisdom on this 
subject? Any news tricks available with 0.4?

In my case, the number of rows is fairly small (<100), but the number of 
columns can grow quite large (pushing the limits of a laptop).

Thanks.

On Saturday, December 28, 2013 at 9:45:15 AM UTC+8, Sheehan Olver wrote:
>
> What's the "best" way of constructing an array that can grow adaptively? 
>  For example, it has fixed m rows but the number of columns grows as an 
> algorithm proceeds.  Unfortunately,
>
> resize!
>
> doesn't work for 2d arrays.  It does work for Array{Array{Float64,1},1}, 
> but not sure that's optimal.
>
>
>
>
>
>

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