geomean
Geometric mean
Syntax
m = geomean(x)
geomean(X,dim)
Description
m = geomean(x)calculates the geometric mean of a sample. For vectors,geomean(x)is the geometric mean of the elements inx. For matrices,geomean(X)is a row vector containing the geometric means of each column. For N-dimensional arrays,geomeanoperates along the first nonsingleton dimension ofX.
geomean(X,dim)takes the geometric mean along the dimensiondimofX.
The geometric mean is
Examples
The arithmetic mean is greater than or equal to the geometric mean.
x = exprnd(1,10,6); geometric = geomean(x) geometric = 0.7466 0.6061 0.6038 0.2569 0.7539 0.3478 average = mean(x) average = 1.3509 1.1583 0.9741 0.5319 1.0088 0.8122
Extended Capabilities
Introduced before R2006a
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