random number between -1 and 1

61 次查看（过去 30 天）
Mate 2u
Mate 2u 2012-4-15
Hi I need a 1 line code for a random number generator between 1 and -1 for one element.

请先登录，再回答此问题。

采纳的回答

Wayne King
Wayne King 2012-4-15
Do you want these uniform between -1 and 1?
r = -1 + 2.*rand(100,1);
For 1 such number
r = -1+2*rand(1,1);
  1 个评论
Jan
Jan 2012-4-15
@Mate 2u: If you read the help text of RAND you find corresponding examples. Please take the time to read the help and doc.

请先登录，再进行评论。

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Random Number Generation 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by