Tag: linear algebra
- Prove $(P^{-1} + B^T R^{-1} B)^{-1} B^T R^{-1} = PB^T(BPB^T + R)^{-1}$
- How can you constrain a neural network layer to simply be a n-dimensional rotation layer
- Think about the discontinuity introduced in vector spaces by one-hot encoding
- Fitting of a sum of vectors $Y \alpha = X \beta + \epsilon$
- Prove Mean Squarred Error (MSE)
- Linear model estimator proof
- Introduction to Statistical Learning Eq. 4.32
- How to eliminate redundant columns in matrix of nominal data
- Matrix dimensions in Linear Algebra vs Time series Analysis
- Why do we use sample mean in the total sum of squares (SST) calculation