Being a physicist I'm still puzzled by the connection between:

1. Wick theorem -- which is combinatorics (for me).
2. Multivariate Gaussian integrals -- which is calculus (for me).
3. Determinants and eigensystems -- which is linear algebra (for me).

Being a physicist I'm still puzzled by the connection between:

1. Wick theorem -- which is combinatorics (for me).
2. Multivariate Gaussian integrals -- which is calculus (for me).
3. Determinants and eigensystems -- which is linear algebra (for me).

Being a physicist I'm still puzzled by the connection between:

1. Wick theorem -- which is combinatorics (for me).
2. Multivariate Gaussian integrals -- which is calculus (for me).
3. Determinants and eigensystems -- which is linear algebra (for me). math

Being a physicist I'm still puzzled by the connection between:

1. Wick theorem -- which is combinatorics (for me).
2. Multivariate Gaussian integrals -- which is calculus (for me).
3. Determinants and eigensystems -- which is linear algebra (for me).