Thanks for the pointer for reshape.
Sorry that I failed to make my question clear enough. In fact, I wonder if
there is a function which can _automatically_ recast a single-column
Array{T,2} to an Array{T,1} and do nothing if this Array{T,2} has multiple
rows.
On Sunday, May 15, 2016 at 6:41:51 PM UTC+1, Tim Holy wrote:
>
> See reshape and vec.
>
> Best,
> --Tim
>
> On Sunday, May 15, 2016 09:00:33 AM chobb...@gmail.com <javascript:>
> wrote:
> > Here is rookie question, which I have tried to find a similar question
> and
> > answer in the history of this group, but failed. Please bear me.
> >
> > Since Julia distinguishes between Array{Float64,1} and Array{Float64,2},
> > even there is only one column in an Array{Float64,2}. Therefore, the
> type
> > of rand(5) and rand(5,1) are not same.
> >
> > julia> x = rand(5)
> > 5-element Array{Float64,1}:
> > 0.183247
> > 0.480208
> > 0.623144
> > 0.342792
> > 0.0400695
> >
> > julia> y = rand(5, 1)
> > 5x1 Array{Float64,2}:
> > 0.553224
> > 0.0061835
> > 0.762059
> > 0.643796
> > 0.655135
> >
> >
> > Is there any way that I can upgrade x about to become an
> Array{Float64,2}?
> > And is there a way to downgrade y to become an Array{Float64,1}, when it
> > has only one column?
> >
> > In case that there is a similar discussion before, a link to the
> previous
> > thread is good enough and appreciated!
> >
> > Thanks!
>
>
