The PAC learning framework provides a formal way to quantify the learnability of a concept class.
市场是一个复杂的系统,我们试图用模型来简化它。
Life is either a daring adventure or nothing at all.
2009年:贝索斯致股东信《执着于用户体验》
"The world is a book, and the book is a prison."
I’m not afraid to take risks. I think that’s what life is all about.
In mathematics, the journey of discovery is often more rewarding than the destination itself.