mean value of a particular portion of a matrix

1 次查看（过去 30 天）
Mohammad Golam Kibria
Hi, I have problem regarding matrix average.
suppose I have two matrix A and B as follows:
A =
1 2 3
3 3 6
4 6 8
4 7 7
B =
2 2 3
2 3 6
4 6 2
4 7 2
I need the mean value of A where value of B is 2. i.e mean value of the positions : (1,1) (1,2)(2,1)(3,3)(4,3)
is there any easy way to do this?

请先登录，再回答此问题。

采纳的回答

Andrei Bobrov
Andrei Bobrov 2011-5-5
variant
mean(A(B==2));

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Read, Write, and Modify Image 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