The numerical integration of stiff equations is a challenging problem that needs to be approached by specialized numerical methods. Exponential integrators form a popular class of such methods since ...

I was using a fiber section with section aggregator to aggregate in additional shear springs. When I used this aggregated section in the TwoNodeLinkSection element, the resulting stiffness matrix has ...

ABSTRACT: In this paper, we consider the model updating problem of the undamped vibroacoustic system with no spill-over (MUP-UVA), which is to update the original system to a new system such that some ...

Previous work has shown that single cells can sense microenvironment stiffness through thin matrix layers, and this range extends with viscoelastic collagen compared to elastic hydrogels. Here, we ...

Officials estimate that pythons have killed 95% of small mammals as well as thousands of birds in Everglades National Park South Florida Water Management District via AP; AP Photo/Lynne Sladky ...

The Python Software Foundation warned users this week that threat actors are trying to steal their credentials in phishing attacks using a fake Python Package Index (PyPI) website. PyPI is a ...

Dozens of machine learning algorithms require computing the inverse of a matrix. Computing a matrix inverse is conceptually easy, but implementation is one of the most challenging tasks in numerical ...

Dr. James McCaffrey from Microsoft Research presents a complete end-to-end demonstration of computing a matrix inverse using the Newton iteration algorithm. Compared to other algorithms, Newton ...

1 Department of Orthopaedics, Tongde Hospital of Zhejiang Province, Hangzhou, China 2 Department of Ultrasound Medicine, The 903rd Hospital of The People's Liberation Army, Hangzhou, Jiangsu, China ...

In the quest to transform organizations, leaders often champion bold visions: compelling declarations of a better future. Yet many of these dreams fizzle away. Why? Because they fail to bridge the ...

Researchers at Nagoya Institute of Technology and Gdańsk University developed a new sound-based method to measure tissue stiffness, an important indicator of diseases They discovered a strong link ...