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Changelog

All notable changes to this release surface are documented here. Format follows Keep a Changelog; versions follow Semantic Versioning.

Unreleased

0.1.0 — 2026-07-05

First public release of the JMax binary — a single self-contained tool spanning symbolic math, numerics, simulation, statistics, and visualization (83 subcommands), pure Rust, no BLAS/LAPACK/SciPy.

Added

  • Numerical linear algebra: dense LU/QR/Cholesky/SVD; symmetric, general (eigvals), sparse Lanczos + shift-invert (eigs), and generalized (geneig) eigenproblems; general eigenvectors; rank-revealing pivoted QR (rrqr); sparse direct solvers (lusolve); matrix functions expm/sqrtm/logm; nmf, lowrank.
  • Tensors: N-dimensional arrays with broadcasting, einsum, and Tucker/HOSVD + CP/PARAFAC decompositions.
  • Roots & optimization: fsolve, nonlinear least squares (lsq), constrained and global (--global, Differential Evolution) minimization, LP/QP.
  • ODEs, BVPs, SDEs: adaptive RK45 + stiff solvers; boundary value problems by shooting, Hermite–Simpson collocation, adaptive mesh + continuation, and Chebyshev spectral collocation; stochastic ODEs.
  • Quadrature & interpolation: 1-D/2-D/3-D adaptive Gauss–Kronrod (quad/quad2/quad3); splines/PCHIP/RBF; Chebyshev spectral methods (cheb).
  • Statistics & data: regression, ANOVA/t-test/Wilcoxon/Levene/Friedman, KDE, bootstrap; time-series forecasting (AR/ARIMA/Holt–Winters); Kalman filter + RTS smoother; dataframes.
  • Signal processing: FFT, spectrogram, biquad filters, discrete wavelet transform.
  • Simulation: 2-D/3-D FEM (heat, elasticity, modal, transient), incompressible Stokes/Navier–Stokes, topology optimization, adjoint inverse design, Lattice-Boltzmann CFD.
  • Symbolic: CAS (eval), symbolic ODEs (dsolve), polynomial systems via Gröbner bases (solve-system), identity verification (verify).
  • Visualization: publication-quality SVG charts, PCA/random projection, interactive SPLOM, animation; WebGPU/interactive bundles.
  • Multi-platform prebuilt binaries (macOS arm64/x86_64, Linux x86_64/aarch64 musl, Windows x86_64) with SHA-256 checksums.
  • Documentation site at openie-dev.github.io/jmax; runnable examples; browser playground at play.charlot-lang.dev.