显示源文件过去修订反向链接回到顶部 Share via Share via... Twitter LinkedIn Facebook Pinterest Telegram WhatsApp Yammer Reddit最近更改Send via e-Mail打印Permalink × 赠券收集问题 Coupon collector's problem 赠券收集问题 调和数,Harmonic number 欧拉-马歇罗尼常数,Euler–Mascheroni constant 估算公式:E(T)=n⋅Hn=nlogn+γn+12+o(1),as n→∞, where γ≈0.5772156649 is the Euler–Mascheroni constant. public/math/coupon_collector_problem.txt 最后更改: 2018/02/28 13:48由 127.0.0.1