help how can I find the minimum number and return it's index in each row?

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maha ismail
maha ismail 2014-11-13
评论： maha ismail 2014-11-13
help how can I find the minimum number and return it's index in each row?

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Manoj
Manoj 2014-11-13
a=[8,2,3,4,5];
[b,ix]=min(a);
ix gives you the positions and b gives the minimum value
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maha ismail
maha ismail 2014-11-13
sorry dear I have a matrix not a vector I have a positive number and 0 I need to find the minimum value except 0 and I need to return the position of minimum value in each row ..but my program is not run..
maha ismail
maha ismail 2014-11-13
dear manoj thanks alot for help me its a perfect solution but I need another update if the matrix has a zero value and the zero is the smallest value but I don't choose it I need more than zero and the smallest after zero

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Guillaume
Guillaume 2014-11-13
To find the minimum of a row, use:
min(m, [], 2)
Probably, the simplest way to ignore 0s is to replace them with NaNs before calling min.
m(m == 0) = nan;
[mval, mcol] = min(m, [], 2);

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