Module kernel_transform 

Kernel transformation utilities for preprocessing and normalization.

This module provides utilities for transforming kernel matrices, including:

• Kernel normalization (normalize to unit diagonal)
• Kernel centering (for kernel PCA)
• Kernel standardization

These transformations are essential for many kernel-based algorithms.

Structs

NormalizedKernel

Wrapper that creates a normalized version of any kernel.

Functions

center_kernel_matrix

Center a kernel matrix by removing the mean in feature space.

normalize_kernel_matrix

Normalize a kernel matrix to have unit diagonal entries.

standardize_kernel_matrix

Standardize a kernel matrix (normalize then center).