Stemfard API changelog
Stay updated with the latest improvements and features
v0.2.0Breaking changes
May 20, 2026
Enhanced computational transparency and error handling.
Breaking changes
- —Renamed
matrix_scalar()tomatrix_scalar_divide()for clarity - —Error messages now use structured JSON format instead of plain text strings
Deprecations
- —
interp_poly_lagrange()will be renamed tointerp_lagrange()inv2.0.0 - —
chi2_critical_value()lookup table method deprecated — will be replaced with inverse CDF calculation inv1.1.0
New features
- Step-by-step explanations for all numerical computations
- Context-rich error messages with resolution hints
- Initial value problem solvers: Taylor method, Forward Euler, Runge-Kutta (order 4)
- Interpolation methods: Lagrange, Newton forward/backward, divided differences
- Linear regression analysis with goodness-of-fit metrics
v0.1.0
January 5, 2026
Initial stable release with core mathematical and statistical functionality.
New features
- Array generation, indexing, and slicing
- Matrix arithmetic: addition, subtraction, multiplication, division
- Array transformations: transpose, rotation, vertical flip
- Calculus operations: derivatives and definite integrals
- Descriptive statistics for grouped and ungrouped data
- Chi-square goodness-of-fit and independence tests
- Correlation analysis: Pearson, Spearman, Kendall's tau