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Re: How Functions are Applied to Matrices


Greg,

If you read the Help  section for Mean you will see that this is the
way Mean is defined. For matrices it operates on the columns. This
would make sense since if you are taking a set of data points
{{x1,y1,z1},{x2,y2,z2},{x3,y3,z3}}
then you might want  Mean[{x1,x2,x3}] etc

Cheers,

Brian


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