Computes \(A_s = B_s^\top K U\), the linear map that pulls latent-space vectors back to subject cluster space. Multiplying \(A_s\) by a latent coefficient vector produces a Haufe-style decoder at the subject level.
Computes \(A_s = B_s^\top K U\), the linear map that pulls latent-space vectors back to subject cluster space. Multiplying \(A_s\) by a latent coefficient vector produces a Haufe-style decoder at the subject level.