The key to successful identification is to find a model structure that is flexible enough to capture the essential features of the system, yet simple enough to be estimated from the available data.
成功辨识的关键是找到一个足够灵活的模型结构,以捕捉系统的基本特征,同时又足够简单,可以从现有数据中估计出来。
Love is the poetry of the senses.
The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle.
如果你能看透每一个人的心,就会知道,没有人是普通的。每个人都值得大家站起来为他鼓掌一次。
The universe is not only stranger than we imagine, it is stranger than we can imagine.