numpy

NumPy: How to Append a Constant Column of Ones to a 2D Array (Fix ValueError: Inhomogeneous Shape)

Nov. 13, 17:00

NumPy 3D to 2D Reshape and Back: Use Transpose to Preserve Axis Order and Restore Original Shape

Nov. 12, 09:00

Compute Partial Trace from a Vector in NumPy: Avoid 124 GiB Density Matrix Memory Blowups

Nov. 12, 07:00

Compare Python lists of NumPy arrays ignoring order: avoid unhashable ndarray, ambiguous truth value

Nov. 11, 23:00

Fixing NumPy MNIST Training: Correct Gradient Axes, Bias Reductions, and Stable Softmax

Nov. 10, 01:00

Fixing Numba cfunc crashes with NumPy and ctypes: avoid unsupported PEP 3118 by using arr.ctypes

Nov. 9, 11:00

Fix unexpected shared state in Python NumPy object containers: class vs instance attributes

Nov. 5, 13:00

Generate Log-Normal Signals with Blue/Violet PSD: Why Exponentiation Fails and IAAFT Works

Oct. 31, 11:00

Convert a binned detector grid to polar coordinates: theta–radius scatter sans cos(theta) pitfalls

Oct. 29, 13:00

Keras Dense vs NumPy Matmul: Why GPU/CPU Paths Cause 1e-5 Differences and How to Match Results

Oct. 28, 05:00

NumPy Indexing Pitfalls: Chained Slicing vs Advanced Indexing, Views vs Copies, In-Place Writes

Oct. 26, 09:00

Block GMRES for Multiple Right-Hand Sides: Fixing the Least-Squares Setup with Residual QR

Oct. 25, 03:00

Fitting cos^2(x) with Gaussian Peaks: Why scipy curve_fit Fails and How find_peaks Fixes It

Oct. 22, 13:00

Fixing FFT-based Angular Spectrum Propagation: Step Size and Gaussian Beam Accuracy at Long Range

Oct. 20, 07:00

Persisting NumPy Arrays in PostgreSQL: tobytes vs msgpack-numpy for Shape/Dtype Handling

Oct. 19, 13:00

NumPy object arrays from Python lists: zero-copy limits, dtype=object, np.asarray(copy=False)

Oct. 18, 15:00

Fixing pyarrow on AWS Lambda Python 3.11: glibc 2.26 wheel issues, numpy pinning, proven fixes

Oct. 18, 04:00

Zero-Padding the Spectrum Correctly: Discrete Fourier Series Indexing, DC Bin, and Scale

Oct. 18, 02:00

CuPy vs NumPy: Fix 'unhashable ndarray' TypeError when hashing tuples for sets using tolist()

Oct. 15, 16:00

Decode 12-bit Packed Samples to Float32: Vectorized Python Reference and MATLAB Equivalent

Oct. 5, 07:00

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