How many positive entries in array

2012 4 1
3 个回答
回答已采纳
更新时间：2026 7 7
32 次查看（30 天）

 采纳的回答

Wayne King
Wayne King 2012-4-1

3 个投票

x = randn(1450,1);
indices = find(x>0);
length(indices)
or
count = length(nonzeros(x(x>0)));

更多回答（2 个）

hidayet beyhan
hidayet beyhan 2020-3-28
编辑：hidayet beyhan 2020-3-28

1 个投票

Or you can use for an array:
x = randn(1450,1);
sum(x>0)
Varshitha Gouri
Varshitha Gouri 2026-7-7

0 个投票

function count = positiveEntries(arr)
count = sum(arr > 0);
end

类别

在 帮助中心 和 File Exchange 中查找有关 Matrices and Arrays 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