Long-sought Chicago police staffing study recommends adding more cops, hiring civilians

The study, conducted by Matrix Consulting Group, was commissioned by the City Council in February 2024 to find ways to close gaps between police response times in different neighborhoods.

Photonic integrated circuits enable programmable non-Abelian 'braiding' of light states

A research team has successfully implemented a programmable spinor lattice on a photonic integrated circuit (PIC). This platform enables the realization of non-Abelian physics, in which the outcome of ...
C&EN

Enhancing the Mechanical Properties of Microgels through Interstitial Matrix Addition in 3D Printing

Microgels have excellent biocompatibility and tunable physicochemical properties but poor mechanical properties that severely limit their application. In this study, a strategy is developed to ...
HotHardware

ASUS ROG Matrix GeForce RTX 5090 Rocks Quad Fans And A Funktastic Design

You have to hand it to ASUS and its Republic of Gamers (ROG) division, it's not afraid to experiment with bold GPU designs. Following the launch of gold-themed Dhahab Edition graphics cards paying ...
Fast Company

This ‘Iron Dome’ for mosquitoes shoots down bugs with lasers

You can now order an “Iron Dome” for mosquitoes. Its name is the Photon Matrix, a black box about the size of a smartphone that can detect, track, and eliminate mosquitoes mid-flight using an ...
GitHub

Sparse matrices do not support local MKL acceleration

Sparse matrices do not support local MKL acceleration，When the matrix is a sparse matrix, MKL cannot accelerate LU decomposition and QR decomposition acceleration, and the acceleration for matrix ...
Quanta Magazine

Graduate Student Solves Classic Problem About the Limits of Addition

A new proof illuminates the hidden patterns that emerge when addition becomes impossible. The simplest ideas in mathematics can also be the most perplexing. Take addition. It’s a straightforward ...
Scientific Research Publishing

Gibbs, N.E., Poole, Jr., W.G. and Stockmeyer, P.K. (1976) An Algorithm for Reducing the Bandwidth and Profile of a Sparse Matrix. SIAM Journal on Numerical Analysis, 13, 236-250.

ABSTRACT: Node renumbering is an important step in the solution of sparse systems of equations. It aims to reduce the bandwidth and profile of the matrix. This allows for the speeding up of the ...
Scientific Research Publishing

Barnard, S.T., Pothen, A. and Simon, H.D. (1993) A Spectral Algorithm for Envelope Reduction of Sparse Matrices. Proceedings of the 1993 ACM/IEEE Conference on Supercomputing ...

ABSTRACT: Node renumbering is an important step in the solution of sparse systems of equations. It aims to reduce the bandwidth and profile of the matrix. This allows for the speeding up of the ...
collider

If The Matrix Hit Today, There Would be This One Big Difference

Liam Gaughan is a film and TV writer at Collider. He has been writing film reviews and news coverage for ten years. Between relentlessly adding new titles to his watchlist and attending as many ...
IEEE

Fast Parabolic Wave Equation-Based Time-of-Arrival Estimation Exploiting Sparse Matrices

Abstract: The investigation of time-of-arrival (ToA) estimation techniques is of great practical interest for the deployment of wireless networks. Moreover, reliable ToA estimation can significantly ...