수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 연애 수학적으로 하기

delta 2019.11.22 08:07 조회 523

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

a(t)는 여자 b가 고백했을 때 받아줄 확률이다.

또, b(t)는 남자 a가 고백했을 때 받아줄 확률이다.

a(t) = sin(t)이고,

b(t) = $\frac{\mathrm{arctan}(t)}{\pi}$ 이다.

a(t)>0.5이거나 b(t)>0.5 일때만 고백을 할 수 있다.

여자는 고백을 할 때, 남자가 무조건 받아주는 시간을 노리려 한다.

언제 고백해야 가장 빨리 사귈 수 있을까?

확률이 100%가 아니면 차인다.

이전글 REAL & FAKE 2

다음글 1UP 의 배신

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