Matrix inversion is an essential operation in various applications, including linear algebra, computer graphics, and data analysis. An inverse matrix is used to calculate the inverse of linear systems ...

Rescuers are searching for survivors after a quake killed dozens in the Philippines. In Indonesia, dozens of students are missing after their school collapsed during prayer service Monday. Donald ...

Manila, Philippines — At least 69 people were killed in a powerful earthquake that hit a central Philippine province Tuesday night. The magnitude-6.9 quake hit at about 10 p.m. and trapped an ...

Financial institutions face an unprecedented data challenge. Asset managers routinely analyze thousands of documents for due diligence, investment banks parse complex regulatory filings, and private ...

Abstract: Recently, the volume-gradient-based band selection (VGBS) method has attracted more and more attention in the field of band selection. It is a ranking-based unsupervised algorithm which ...

I want to calculate virtual-virtual or occupied-occupied density matrix after MP2 calculation, how to get 2e-intergals with different orbital indices and fock-matrix? The formula of virtual-virtual ...

Incredible before-and-after images have illustrated how a 7.6-magnitude earthquake devastated parts of Japan on New Year's day. The powerful quake left 62 people dead and more trapped under the rubble ...

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