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<math>
<math>
H(X)=21ln[(2πe)dim(X)⋅∣COV(X)∣]
H(X) = \frac{1}{2}\ln\left[(2\pi e)^{\text{dim}(X)} \cdot |\text{COV}(X)|\right]
</math>
</math>
<math>
<math>
COV(X)=QTQ,Q=(I−CON(X))−1
\text{COV}(X) = Q^T Q,Q =(I - \text{CON}(X))^{-1}
</math>
</math>