Initial public release of jax-boltzmann: a CMB power-spectrum solver in pure JAX. ~1500 lines vs CAMB’s ~50,000 lines of Fortran, GPU-accelerated, auto-differentiable Fisher matrices via jacfwd. v0.1.0 alpha — validation against CAMB and Class in progress. Full Fortran-to-JAX port underway.
Posts by alex.novickis@gmail.com
Symbolic Circuit Solver — Closed-Form Transfer Functions From SPICE-Like Netlists
Open-source tool that takes a SPICE-like netlist and produces closed-form algebraic transfer functions, poles, zeros, and impedances. Modified Nodal Analysis on SymPy. Generates SVG schematics and LaTeX reports. 14 component types, 14 analysis commands, 30 example circuits.
When Functional Safety Math Equals Signal Integrity Math
Summary of the Zenodo paper that derives the mathematical correspondence between ISO 26262 fault metrics (SPFM, LFM, PMHF) and high-speed jitter decomposition (DJ, RJ, BER). Same convolution integral underlies both — and the cross-domain tools transfer directly.