MATLAB爱好者论坛-LabFans.com - 查看单个帖子 - Round, With Tie Breakers, Round Two

poster · 2021-04-24, 17:42

I published Round, With Ties to Even a couple of days ago. Steve Eddins and Daniel Dolan immediately had substantive comments. Here is my reaction to their comments.

ContentsTwo More Sample Scaling roundTwo MoreThe four choices that I described for how to break ties -- 'even', 'odd', 'up' and 'down' -- all have the same behavior for positive and negative numbers. The current built-in round uses the 'up" rule.

Steve sees the need for two more choices that are sensitive to the sign of the number. I will call them 'plus' and 'minus". They round to the right and to the left on the number line. That's sometimes known as round toward

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2021-04-24, 17:42	#1
poster 高级会员注册日期: 2019-11-21 帖子: 3,006 声望力: 66	Round, With Tie Breakers, Round Two - Cleve Moler on Mathematics and Computing I published Round, With Ties to Even a couple of days ago. Steve Eddins and Daniel Dolan immediately had substantive comments. Here is my reaction to their comments. ContentsTwo More Sample Scaling roundTwo MoreThe four choices that I described for how to break ties -- 'even', 'odd', 'up' and 'down' -- all have the same behavior for positive and negative numbers. The current built-in round uses the 'up" rule. Steve sees the need for two more choices that are sensitive to the sign of the number. I will call them 'plus' and 'minus". They round to the right and to the left on the number line. That's sometimes known as round toward ...read more >> More...