📂동역학

랩

Lab

MAPE(Mean Absolute Precentage Error)

$$ {{ 1 } \over { n }} \sum_{k=1}^{n} {{ \left| x_{k} - \widehat{x}_{k} \right| } \over { x_{k} }} $$

---

KOSIS 국가데이터포털 소개 Introduction to KOSIS

https://kosis.kr/index/index.do

---

https://github.com/JuliaCI/BenchmarkTools.jl

using BenchmarkTools x = rand() @btime SC = sincospi($x); @btime S = sinpi($x); @btime SC = [sinpi($x) cospi($x)]; @benchmark SC = sincospi($x) @benchmark SC = [sinpi($x) cospi($x)]

---

strogatz 260~

새들-노드 바이퍼케이션(blue sky bifurcation, allen) 인피니트-피리어드 바이퍼케이션 호모클리닉 바이퍼케이션