Indexing

2011 5 7

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how can we know the index of this data? for example,i want know index of 0 and -30

x=[0,-10,-30,-30,-10,-20,-20,-0,-30]

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Paulo Silva 2011-5-7

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I0=find(x==0)
I30=find(x==-30)

Sahab 2011-5-7

wow so easy..thanks.

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