Working with even rows
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Hello, I have a matrix 4x4, and I want to find the maximum of all elements which are in even rows.
采纳的回答
Sean de Wolski
2012-4-16
X = magic(4);
max(X(2:2:end,:))
更多回答（1 个）
Wayne King
2012-4-16
x = randn(4,4);
y = x(2:2:end,:);
max(y,[],2)
The above gives you maximums in rows 2 and 4.
If you want the maximum of all the elements in rows 2 or 4 considered all at once
x = randn(4,4);
y = x(2:2:end,:);
max(y(:))
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2012-4-16
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