picking rows which has negative element.
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hi, i have a matrix which can have negative elements. is ther eq quick and efficient way to pick the rows if any element in the row has negative values.
Thanks
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Iman Ansari
am 17 Apr. 2013
Hi
a=randn([5 5])+1
Nrows=sum(a<0,2);
a(Nrows>0,:)
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Iman Ansari
am 17 Apr. 2013
sum(a<0,2) is number of negative elements in each row. a<0 is one for negative values and 0 for others.
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