Core Concepts

This chapter provides an in-depth description of the most important concepts in ParamRF, for those seeking a deeper understanding. This includes an overview of the library’s core primitives, the built-in optimization and inference API, and the JAX backend.

• Core Primitives
  • The Model
  • Frequency, Parameters, and jnp.ndarray
  • The Evaluator and other classes
• Optimization and Inference
  • JAX vs CPU
  • Frequentist vs Bayesian
  • Available Solvers
• JAX Overview
  • JIT Compilation and XLA
  • Differentiability and Autodifferentiation
  • Vectorization with vmap
  • Equinox and Batched Models
  • Parax and Unwrapping