Deep learning is a form of machine learning that enables computers to learn from experience and understand the world in terms of a hierarchy of concepts. Because the computer gathers knowledge from experience, there is no need for a human computer operator to formally specify all the knowledge that the computer needs. The hierarchy of concepts allows the computer to learn complicated concepts by building them out of simpler ones; a graph of these hierarchies would be many layers deep. This book ...深度学习是机器学习的一种形式，它使计算机能够从经验中学习，并且根据概念的层次结构来理解世界。因为计算机从经验中收集知识，所以不需要人机操作员正式指定计算机需要的所有知识。概念的层次结构允许计算机通过从更简单的概念中构建复杂概念来学习它们；这些层次结构的图可以是多层的。这本书…