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Delete rows in a matrix based on their first number in the row.

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Patrick Guarente
Patrick Guarente 2017-9-1
编辑： the cyclist 2017-9-2
I have two matrices.
Del= [12 3 5; 15 2 7; 20 4 9; 10 2 1]
Close= [15 ; 10; 20]
I need to get rid of the Del rows that start with the values in Close. In this situation I would need to get ride of rows 2, 3, 4
Thank you

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回答（1 个）

the cyclist
the cyclist 2017-9-1
Del(ismember(Del(:,1),Close),:) = [];
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the cyclist
the cyclist 2017-9-2
编辑：the cyclist 2017-9-2
The best form of thanks is to vote for and/or accept answers that are helpful. This rewards the contributor, and points future users to useful answers.

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