I have a question regarding the most efficient way to select a substring
of a vector:
I have a vector of value v, and I want to select a subspace of this
vector called w such that:
w=v[1:n]
where
sum(w) = x
I am interested in what you thing would be the most efficient way to do
this - I would like to avoid slowing down my simulations as much as
possible.
Thank you very much for any help that anyone is able to give.
Ben Hartley
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