如何使用犰狳“推回”对象？

Question

How to create a dynamic-size field object in armadillo such that you can later on push_back things into it?

I tried the << operator, but the pre-created field object won't be enlarged.

Answer 1

我知道犰狳具有“重塑”、“储备”能力，它不能像 std::vector 那样 push_back 东西。