NumPy 2.5 eig returns complex numbers even for real matrices—the release note's workaround loses the imaginary part

The NumPy 2.5.0 release notes state that the return values of eig and eigvals will always be complex, and that ...

Ultimately Black

Paris. Comme des Garçons held its first show in the city.What lined the runway were sweaters with holes and black clothes ...
BIOENGINEER

Open-Source Python Suite Turns Cheap Cameras Into 3D Structural Motion Trackers

An open-source Python suite called ParaStereoSync and KineViz-3D uses consumer cameras, printed markers, and software-based ...
Science

Spectral tuning and signaling of diverse and far red–sensitive rhodopsins in mantis shrimp eyes

Stomatopod crustaceans (mantis shrimps) have extraordinary eyes with unmatched visual rhodopsin diversity, but their ...
Travel + Leisure

The Difference Between a Passport Book and Card, and How to Make the Right Choice for Your Trip

Passport books are valid for all international trips, while passport cards only cover land and sea travel to specific destinations outside the U.S. like Mexico and Canada. Both passport books and ...
US Environmental Protection Agency

What’s the difference between products that disinfect, sanitize, and clean surfaces?

At EPA, products used to kill viruses and bacteria on surfaces are registered as antimicrobial pesticides. Sanitizers and disinfectants are two types of antimicrobial pesticides. Disinfecting kills ...
Forbes

LLC Vs. LLP: Key Differences Between The Two Business Structures

Jennifer Simonson is a business journalist with a decade of experience covering entrepreneurship and small business. Drawing on her background as a founder of multiple startups, she writes for Forbes ...
Morningstar%2c Inc.

What’s the Difference Between the CPI and PCE Indexes?

When most investors think about inflation, they think about the Consumer Price Index. But for the Federal Reserve’s decisions on interest rates, another government report looms larger: the Personal ...