numpy

Finding the Last Non-Zero Index in a NumPy 1D Array: Pitfalls and a Faster Numba JIT Solution

Oct. 1, 15:00

Eigenvectors of Upper Triangular Matrices in Python: Use numpy.linalg.eig for Speed and Clarity

Oct. 1, 09:00

Group and Sum Sparse Keys in NumPy: unique(return_inverse) + add.at vs. bincount Pitfalls

Oct. 1, 01:00

Find the First Match in NumPy Efficiently: Replace np.where with argmax to Cut Memory Use

Sep. 28, 05:00

NumPy dtype=object: Custom Arithmetic via Python Dunder Methods and Operator Overloading in Arrays

Sep. 27, 07:00

Align PDFium renders with image decodes: make NumPy arrays match using cv2 resizing and DPI

Sep. 26, 07:00

Trace NumPy's _multiarray_umath: mapping the shared .so to Meson build sources for debugging

Sep. 26, 03:00

Compute per-bin minima in NumPy without loops or padding using np.minimum.reduceat

Sep. 24, 17:00

Fixing Pandas/NumPy NaN vs Pydantic Literal[np.nan] Validation Errors: Clean, Precise Solutions

Sep. 23, 21:00

Optimize NumPy ragged row updates: skip vectorization and JIT-compile the loop with Numba @njit

Sep. 23, 19:00

Memory-Efficient Adjacency from Pandas: Skip Dense 132k x 132k, Build PyTorch Edge Lists

Sep. 23, 07:00

NumPy Matrix–Vector Stacks with np.matvec: Axis Mapping, moveaxis/transpose, and einsum

Sep. 17, 17:00

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