[Math] Continuity (of Multivariable Function) and Contiguity
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Continuity (연속) 이란If S⊆Rn, then a function f:S→R is continuous at a∈S if∀ε>0, ∃δ>0 such that if x∈S and |x−a| 만약 f가 모든 S의 point에서 continuous하다면, f 는 연속함수(continuous function)임.2024.02.27 - [.../Math] - [Math] i..