Definition 21.11.2.3B5FF6A6C162Let $F\colon N\rightarrow [-\infty ,\infty ]$ be a function. The epigraph of $F$ is defined as the following set
\[ \operatorname{epi}F\coloneqq \left\{ (n,r)\in N\times \mathbb {R}: r\geq F(n) \right\} . \]
Pome
Comments
Corrections, questions, and mathematical discussion are welcome. Sign in with GitHub to comment. Comments are public.