itensorpy v0.3.1

Released: 2025-05-18

🚀 New Features

Advanced Tensor Operations
- Element-wise addition, subtraction, multiplication & division
- Tensor contraction (automatic index reduction)
- Axis permutation via transpose(...)
- Shape reshaping via reshape(...)
- General Einstein summation support via einsum(...)
Multi-Dimensional Tensor Support
- Fully n-dimensional (ndim) tensors (3D, 4D, 5D, …)
- Automatic shape checking & management
- Seamless import from / export to NumPy arrays
Differential Calculus Module
- Gradient ∇f for scalar fields
- Divergence ∇·F for vector fields of arbitrary dimension
- Laplacian ∇²f for scalar fields
- Curl ∇×F for 3D vector fields
- Jacobian & Hessian calculations
Advanced Matrix Operations
- Classic matrix multiplication & tensor-product support (matmul)
- Matrix inversion with singularity checks (inverse)
- Determinant calculation (det)
- Eigenvalue & eigenvector extraction (eigen)
- Solving linear systems A x = b (solve)

Refactored into modular mix-ins for clean separation of concerns
Unified core classes (TensorND, Field, MatrixOps) aggregating functionality
Improved error messages and input validation
Added from_numpy / to_numpy convenience methods
Updated version number to 0.2.5; no breaking changes from 0.2.4

See the documentation for full examples and API reference.

If you encounter any issues or have feature requests, please open an issue.
Thank you for using itensorpy!