The following will work but is not as efficient as knowing the size of the
matrix ahead of time and pre-allocating the matrix:
rows = Matrix{Float64}[]
while length(rows) < 100
push!(rows, rand(1,10))
end
matrix = vcat(rows...)
On Tuesday, May 27, 2014 7:26:48 AM UTC-7, Miri Or wrote:
Hi
> I need to write a program in julia language. I have to define a *matrix *with
> four columns and i need to add to that rows during the program
> execution, that means in a *dynamically *way.
> *matrix[n][4]*, and i do not know the number of lines in the matrix at
> the beginning of the program.
>
> It is very urgent, hope you help me quickly
> Thank you!
>
