num::col_slice¶
Defined in header <plot/gnuplot.hpp>
series col_slice(const vec<real> &u, int N, double h, int column); // (1)
template <class Field>
series col_slice(const Field &field, int column); // (2)
(1) Extract one column as (y_i,u_i) plot data.
(2) Extract one column from a field exposing as_vec(), N(), and h().