2019-12-18 Mathematics Meaning of A^B Where A and B Are Sets It means the set of maps from BBB to AAA: AB={functions from B to A}A^B = \{ \text{functions from } B \text{ to } A \} AB={functions from B to A} Read More
2019-11-26 Uncategorized Hexo World 最近 WordPress 升级到了 5.3 版本,使用的 Markdown 插件小小地挂了一下,并且被我发现有 Bug。心情很不爽,在用了九年 WordPress 后,我觉得是时候切换到静态博客了。 Read More