how to count number of transitions

5 次查看（过去 30 天）
sakshi Garg
sakshi Garg 2015-4-16
评论： Star Strider 2015-4-16
i want to count the number of transitions in a 1-by-n binary array.
how to do it?
n does not exceed 10.

请先登录，再回答此问题。

回答（1 个）

Star Strider
Star Strider 2015-4-16
If you want to count both the positive [0 1] and negative [1 0] transitions, the easiest way is likely:
A = randi([0 1], 1, 25);
T = sum(diff(A)~=0);
If you want the positive and negative transitions separately:
PT = sum(diff(A)>0);
NT = sum(diff(A)<0);

类别

在 Help Center 和 File Exchange 中查找有关 Matrix Indexing 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