matlab中怎么判断一个向量是否存在NaN假

Question

如题所述

Answer 1

打开 MATLAB Command window中输入 help NaN，可以看到 NaN（Not-a-Number） 的意思是“不是一个数字”。 NaN is the IEEE arithmetic representation for Not-a-Number. A NaN is obtained as a result of mathematically undefined operation