Such a simple question but I haven't found an answer in the armadillo's documentation.
I'm looking for the Armadillo/C++ equivalent to Matlab's x = (1:n)
where n
is a number and x
is thus a vector [1, 2, 3..., n-1, n]
.
Please, pay attention to this function.
vec v = linspace<vec>(1, N);
Generates a vector starting at 1 and ending at N. It does just what you need.
Assuming that c++11 is acceptable and you are using std::vector
, you can use std::iota
:
std::vector<int> x(n);
std::iota(x.begin(), x.end(), 1);
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