want to find the particular column when the column content is given

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suresh
suresh 2012-1-19
a=[1 4 5 9 40 23 18] then if a(5) on command window then output 40 then 'what is the command to know' in which column 40 is there?

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采纳的回答

Andrei Bobrov
Andrei Bobrov 2012-1-19
i1 = find(a == 40)
OR
i1 = find(abs(a - 40) < 1e3*eps)

更多回答（1 个）

Robert Cumming
Robert Cumming 2012-1-19
find(a==40)

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