Assertion: matrix's eigenvalue | /r/CapableOf | become negative
Facets:
Source sentences:
text: When some of the vectors-variables (which is the correlation/covariance matrix) "go beyond" lying even in the reduced euclidean space - so that they cannot "converge in" or "perfectly span" euclidean space anymore, non-positive definiteness appears, i.e. some eigenvalues of the correlation matrix become negative.