1. 设$a$为有理数，$b$为无理数．求证：$a+b$与$a-b$都是无理数；当$a\neq 0$时，$ab$与$b/a$也是无理数． 由于$a$都是有理数 ...
Geometry is a discipline in pure maths. Geometry and AI have two connections: "-->": geometry is used to invent machine learning algorithms, such as graph neural networks. "<--": machine learning is ...
Abstract: In heterogeneous wireless networks, an important task for mobile terminals is to select the best network for various communications at any time anywhere, usually called network selection. In ...
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