我们不要从模型开始。我们要从数据开始。我们没有任何先入为主的观念。我们寻找那些可以重复数千次的东西。收敛性交易的问题是,你没有时间尺度。你说最终都会收敛。好的,那何时是最终呢?
A writer must be willing to be uncomfortable.
The only limits that exist are the ones you place on yourself.
For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.