how to write the expression ((pi*epsil​on)/ln((D-​r)/r)) in matlab?

2 次查看（过去 30 天）
Rishita Rathore
Rishita Rathore 2020-5-18
回答： David Hill 2020-5-18
c = (pi*epsilon)/log((D-r)/r);
This code doesn't work
  2 个评论
Walter Roberson
Walter Roberson 2020-5-18
The code could fail in some cases involving non-scalars, as the A/B operator is sort of like A*pinv(B) except with some size restrictions. The element-by-element division operator is ./ not /

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

David Hill
David Hill 2020-5-18
Are all the variables arrays of equal size? If so, then you need the element-wise operator.
c = (pi*epsilon)./log((D-r)./r);

类别

在 Help Center 和 File Exchange 中查找有关 Shifting and Sorting Matrices 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