清空筛选条件
清空筛选条件

Selecting specific rows and then summing them up

2 次查看（过去 30 天）
okoth ochola
okoth ochola 2022-7-15
评论： Chunru 2022-7-16
Hi, suppose I have a matrix A=[1 2 3 4 5 6 7 8 9 10 11 13......12555], I want to select specific elements and add them up in one value. Selection is done after uniform interval. For example, I let the first value to be selected in 1 in the first row and then the next value I would select should be in the tenth row which is the value 10, the next value would be in the 20th row and so on. Then sum all these values together and find their mean. Kindly help me figure out how to go about it. Thanks.

请先登录，再回答此问题。

采纳的回答

Chunru
Chunru 2022-7-15
Ran in:
A=[1:12555];
B = A(10:10:end); % choose 10,20,30,...
mean(B)
ans = 6280

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Creating and Concatenating Matrices 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