Count number of times values in vector A are greater than corresponding values in vector B

Hi Everyone,

Suppose I have two one-column vectors of equal column height, A and B.

For example

A = [1;2;3]

and

B = [2;0;4]

What statement will allow me to count the number of times values in vector A are greater than corresponding values in vector B. In this case, the answer is 1, because only 2 in A is greater than its corresponding value in B, namely 0.

Regards,

Ulrik.

Answer 1

[Sean de Wolski]

n = sum(A>B);

[Martin Adams]

Works great - and a simple solution too.

I used this to drastically speed up my for loop in which I was doing a logic test.

To speed up the process, I added values of the test to be a value inside of the matrix and then counted how many matrix entries were greater than 0.