how to count number of transitions

18 views (last 30 days)
sakshi Garg
sakshi Garg on 16 Apr 2015
Commented: Star Strider on 16 Apr 2015
i want to count the number of transitions in a 1-by-n binary array.
how to do it?
n does not exceed 10.

Answers (1)

Star Strider
Star Strider on 16 Apr 2015
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);

Community Treasure Hunt

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

Start Hunting!