> For the complete documentation index, see [llms.txt](https://emacs-lisp.ivory.cafe/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://emacs-lisp.ivory.cafe/xu-lie-shu-zu-he-xiang-liang/xiang-liang.md).

# 6.4 向量