理学 学习理论 释 no free lunch theorem 没有免费午餐定理 简称NFL定理，指在没有任何先验情况下，即任何情况都可能存在的情形下，无论两种学习算法有多大的差异，它们的期望性能是相同的[1-2]。
人工智能 机器学习 释文 no free lunch theorem 没有免费午餐定理
- return beam vidicon camera
- Returned Overseas Chinese
- returned to phoneme
- Returnee cultural conflict
- Returnee Entrepreneurship
- Returnee talent
- return function
- returning
- returning green fertilizer
- Returning Home
- Return in Snowy Night
- return intensity
- return loss
- return losses
- return map
- return of capital
- return of the Belgian concession in Tianjin
- return of the British concession in Xiamen
- return of the British concession in Zhenjiang
- return of the British leased territory in Weihai
- return on agricultural investment
- Return on a Snowy Night
- return on capital
- return on investment
- return on investment method