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在数学中，<font color="#ff8000">奇点 singularity</font>一般是一个给定数学对象没有定义的点，或一个数学对象在某些特定方面不再表现良好的点，例如缺乏可微性或可分析性。<ref name=":0">{{Cite web|url=https://mathvault.ca/math-glossary/#singularity|title=The Definitive Glossary of Higher Mathematical Jargon — Singularity|last=|first=|date=2019-08-01|website=Math Vault|language=en-US|url-status=live|archive-url=|archive-date=|access-date=2019-12-12}}</ref><ref name=":1">{{Cite web|url=http://mathfaculty.fullerton.edu/mathews/c2003/SingularityZeroPoleMod.html|title=Singularities, Zeros, and Poles|website=mathfaculty.fullerton.edu|access-date=2019-12-12}}</ref><ref>{{Cite web|url=https://www.britannica.com/topic/singularity-complex-functions|title=Singularity {{!}} complex functions|website=Encyclopedia Britannica|language=en|access-date=2019-12-12}}</ref><ref>{{Cite web|url=https://www.thefreedictionary.com/Singularity+(mathematics)|title=Singularity (mathematics)|website=TheFreeDictionary.com|access-date=2019-12-12}}</ref>

在数学中，'''<font color="#ff8000">奇点 singularity</font>'''一般是一个给定数学对象没有定义的点，或一个数学对象在某些特定方面不再表现良好的点，例如缺乏可微性或可分析性。<ref name=":0">{{Cite web|url=https://mathvault.ca/math-glossary/#singularity|title=The Definitive Glossary of Higher Mathematical Jargon — Singularity|last=|first=|date=2019-08-01|website=Math Vault|language=en-US|url-status=live|archive-url=|archive-date=|access-date=2019-12-12}}</ref><ref name=":1">{{Cite web|url=http://mathfaculty.fullerton.edu/mathews/c2003/SingularityZeroPoleMod.html|title=Singularities, Zeros, and Poles|website=mathfaculty.fullerton.edu|access-date=2019-12-12}}</ref><ref>{{Cite web|url=https://www.britannica.com/topic/singularity-complex-functions|title=Singularity {{!}} complex functions|website=Encyclopedia Britannica|language=en|access-date=2019-12-12}}</ref><ref>{{Cite web|url=https://www.thefreedictionary.com/Singularity+(mathematics)|title=Singularity (mathematics)|website=TheFreeDictionary.com|access-date=2019-12-12}}</ref>