weighted average for an array
显示 更早的评论
Hey
Can someone please tell me how to use weighted average for an array
5 个评论
Adam
2019-7-29
What do you mean by 'how to use it'? How you use it depends entirely on the context and generally you know what you want to use it for before you calculate it in the first place!
Anisha Varughese
2019-7-29
Adam
2019-7-29
That's why I asked what do you mean by 'how to use it'. If you mean how you calculate it rather than how you use it then simply
sum( weights .* array )
will give you the answer, assuming weights is another array of length equal to array
Adam Danz
2019-7-29
There isn't enough information in your question to form a useful answer. Weighted averages can be used in many ways. From what we currently know, you have a weighted average and you're asking how to use it or you're asking for code that uses weighted averages. The question is unclear.
dpb
2019-7-29
sum(weights.*array)
is ok if sum(weights) == 1; the general rule is
sum(weights.*array)/sum(weights)
回答（1 个）
类别
在 帮助中心 和 File Exchange 中查找有关 Creating and Concatenating Matrices 的更多信息
2019-7-29
2019-7-29
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
Translated by 
