Back in July, Google widely introduced a redesign of the Android QR code scanner, but then rolled it back. The updated interface is now starting to reappear. This is the QR code scanner available from ...

We present optimal parallel QR factorization algorithms with reduced communication overhead. QR factorization is widely applied to solve various problems in numerical linear algebra. Our focus is on ...

When quantum computers become commonplace, current cryptographic systems will become obsolete. Scientists are racing to get ahead of the problem and keep our data secure. When you purchase through ...

A new package scam started this summer, and it's likely to gain momentum as people start ordering their iPhone Airs and buying gifts for the holidays. Picture getting a package delivered to your front ...

Add the Householder algorithm, which is generally considered superior to Gram-Schmidt, especially for ill-conditioned matrices. I'm not sure if there is a big difference in arbitrary-precision ...

You have been warned — do not scan here. An “impossible” to detect smartphone threat is now surging, with a new warning that more than 4 million attacks were observed “in the first half of 2025 alone.

LinkedIn's algorithm prioritizes ads & sponsored content, hurting organic reach for creators. To adapt: share niche expertise, use authentic images, craft strong hooks, write longer comments, engage ...

QR codes have become an essential tool for accessing digital content quickly and efficiently. They provide a seamless way to connect to websites, make payments, download apps, and much more. With your ...

One of the main uses of QR decomposition A=QR is in solving the linear least squares problem Ax=b. In order to solve this problem, the only access we need of Q is the ability to apply it (or its ...

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 ...