更改

<math>

<math>

EI(f,\Sigma)\approx \ln\left(\frac{|\det(\nabla f(x_t))|L^n}{(2\pi e)^{n/2}}\det(\Sigma^\frac{1}{2})\right)

EI(f,\Sigma)\approx \ln\left(\frac{|\det(\nabla f(x_t))|L^n}{(2\pi e)^{n/2}\det(\Sigma^\frac{1}{2})}\right)

</math>

</math>