add non zeros in array to my probability formular

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Martin
Martin 2018-10-20
评论： Martin 2018-10-20
Imagine I have probabilities in this array:
a = [ 0.4 0 0 ; 0.6 0.5 0.8 ; 0 0.3 0.3 ];
then I want to add all non-zeros to this formula:
end_probability = 1 - (1 - a(1,1));
end_probability = 1 - ((1 - a(2,1)) * (1 - a(2,2)) * (1 - a(2,3)));
end_probability = 1 - ((1 - a(3,2)) * (1 - a(3,3)));
Any idea of how to make some clean code out of this and put the result into a vector? a can be larger in rows and columns...

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采纳的回答

Bruno Luong
Bruno Luong 2018-10-20
ep = 1 - prod(1-a,2)

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