labview - calculate covariance matrix formula -


i trying calculate 3d covariance matrix , use formula:

covariance matrix 3d

but got different result when use covariance matrix.vi in labview. link .vi file , matrix data include 3 columns x1; x2; x3 https://www.dropbox.com/sh/du0oj32bwvn583s/aadz7fxoniikhazksqpduye2a?dl=0

could please tell me did wrong , why there difference?

so formula used not correct. below correct formula mean , covariance matrix.

correct formula


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