How can I delete a row of numbers in which the number in the first column is less than a threshold?

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Sandy
Sandy 2013-6-19
How can I delete a row of numbers in which the number in the first column is less than a threshold?

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Sean de Wolski
Sean de Wolski 2013-6-19
glass half empty
X(X(:,1)<10,:) = [];
glass half full
Y = X(X(:,1)>=10,:);

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Azzi Abdelmalek
Azzi Abdelmalek 2013-6-19
A=rand(100,2) %example
a=A(1,:);
A(A(:,1)<0.2,:)=[];
A=[a;A]

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