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HELP ME PLEASE with this geometric mean

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IANC Cristian Gabriel
评论： Bruno Luong 2020-10-31
how can I make the geometric mean in a matrix of 20x15 with only the positive numbers?

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回答（2 个）

Bruno Luong
Bruno Luong 2020-10-31
编辑：Bruno Luong 2020-10-31
Assuming A is the vector of your data
geomean = exp(mean(log(A)))
Ameer Hamza
Ameer Hamza 2020-10-31
You can do it like this
x = randn(20, 15);
x_positive = x(x>0);
geo_mean = prod(x_positive)^(1/numel(x_positive))

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