24小时热门版块排行榜    

Znn3bq.jpeg
查看: 433  |  回复: 2

charmingzhou

新虫 (小有名气)

[求助] 求助概率密度函数定义翻译

A probability density function is a mathematical function that describes the proability of each member of a discrete set or a continuous range of outcomes or possile values of a variable. Common examples of probability density functions are lognormal, normal(Gaussian) exponentail, and pareto.
概率密度函数(PDF)是一个数学函数,用于描述离散集合中每个元素的出现概率,以及连续输出或随机变量的概率分布。常见的概率密度函数有对数正态分布、正态(高斯)分布、指数分布和Pareto分布。

求修改!!!!

» 猜你喜欢

已阅   关注TA 给TA发消息 送TA红花 TA的回帖

charmingzhou

新虫 (小有名气)

补充求助一个:Expected value is mathematically defined as the integral of a random variable with its probability measure.  增加4个币。谢谢!
2楼2016-02-17 17:59:02
已阅   关注TA 给TA发消息 送TA红花 TA的回帖

charmingzhou

新虫 (小有名气)

求助修改:Expected value is mathematically defined as the integral of a random variable with its probability measure. These are theoretical terms. Their experimental counterparts are the mean or average value that is calculated as the probability-weighted sum of sample values.

它的数学定义是随机变量可能结果的概率乘以实际结果的总和,这是理论的说法。实验的说法是,它是样本值的概率加权之和的平均值。

请帮忙修改,增加至15币。谢谢!
3楼2016-02-17 18:16:19
已阅   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 charmingzhou 的主题更新
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 一志愿沪9,326生物学求相关专业调剂 +3 刘墨墨 2026-04-09 3/150 2026-04-10 08:37 by 1753564080
[考研] 生物与医药273求调剂 +18 荔题南墙 2026-04-05 19/950 2026-04-10 08:14 by kangsm
[考研] 268分085602化学工程调剂 +24 月照花林。 2026-04-09 24/1200 2026-04-10 08:09 by Sammy2
[考研] 080100力学316求调剂 +5 L_Hairui 2026-04-07 5/250 2026-04-10 05:48 by 小小树2024
[考研] 计算机类求调剂,22408-274分 +5 上岸de小虫 2026-04-09 6/300 2026-04-09 20:48 by xujun0624
[考研] 一志愿中国科学院上海有机所,有机化学356分找调剂 +11 Nadiums 2026-04-09 11/550 2026-04-09 18:04 by lijunpoly
[考研] 280求调剂 +7 wzzz王 2026-04-09 7/350 2026-04-09 15:32 by 释放天性
[考研] 一志愿985初试354分生物调剂 +3 031001 2026-04-06 3/150 2026-04-09 00:30 by Evan_Liu
[考研] 化学308分求调剂 +21 你好明天你好 2026-04-07 23/1150 2026-04-08 22:32 by 凯凯要变帅
[考研] 一志愿211,化学310分,本科重点双非,求调剂 +13 努力奋斗112 2026-04-08 13/650 2026-04-08 21:17 by 学员tURuqU
[考研] 326分,一志愿沪9,求生物学调剂 +4 刘墨墨 2026-04-05 4/200 2026-04-08 06:22 by lijunpoly
[考研] 材料调剂 +13 汉123456 2026-04-07 14/700 2026-04-07 22:53 by 来看流星雨10
[考研] 331求调剂 +5 张元一 2026-04-07 6/300 2026-04-07 22:13 by hemengdong
[考研] 专硕085403,291分,有两篇专利,一国一奖 +3 哈吉咪哈吉咪 2026-04-07 3/150 2026-04-07 18:21 by 蓝云思雨
[考研] 316求调剂 +7 yyx想调剂 2026-04-05 7/350 2026-04-07 14:31 by shdgaomin
[考研] 277工科求调剂 +10 1915668 2026-04-04 11/550 2026-04-06 23:53 by 心媛意北
[考研] 材料专硕(0856) 339分求调剂 +10 哈哈哈鹅哈哈哈 2026-04-04 10/500 2026-04-05 18:51 by 蓝云思雨
[考研] 344材料与化工调剂 +9 调剂上岸玘 2026-04-03 9/450 2026-04-04 23:10 by happyddm
[考研] 085400电子信息319求调剂(接受跨专业调剂) +5 星星不眨眼喽 2026-04-03 6/300 2026-04-04 21:50 by hemengdong
[考研] 一志愿沪985,326分求调剂 +3 刘墨墨 2026-04-03 3/150 2026-04-04 11:16 by 悲伤的芋头
信息提示
请填处理意见