rank of matrix?

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josealdo Registered Member Posts 1 Karma 0	rank of matrix? Wed Jul 25, 2012 6:44 pm In Eigen, is there a function of rank? like this : M=(1,0,0, 0,1,0, 0,0,0) rank(M)=2 Thank you.
Waldfee Registered Member Posts 7 Karma 0	Re: rank of matrix? Wed Jul 25, 2012 8:29 pm Decomposition via FullPivLU or ColPivHouseholderQR might be an option.
ggael Moderator Posts 3447 Karma 19 OS	Re: rank of matrix? Wed Jul 25, 2012 9:22 pm To give an example: m.colPivHouseholderQr().rank();