how to count number of transitions

i want to count the number of transitions in a 1-by-n binary array.

how to do it?

n does not exceed 10.

Answer 1

[Star Strider]

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);

[sakshi Garg]

thanks a lot

[Star Strider]

My pleasure.