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

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

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Robert Cumming
Robert Cumming am 19 Jan. 2012
find(a==40)

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