The Matrix Foundation's central server is currently unavailable. According to the operators, the cause is a serious database failure. This is being restored from a complete backup from last night of ...

A framework deal has been reached for the ownership of popular social video platform TikTok, U.S. Treasury Secretary Scott Bessent said after weekend trade talks between the U.S. and China in Spain.

MADRID (AP) — A framework deal has been reached between China and the U.S. for the ownership of popular social video platform TikTok, U.S. Treasury Secretary Scott Bessent said after weekend trade ...

Let SE denote the least-squares symmetric solution set of the matrix equation AX B = C, where A, B and C are given matrices of suitable size. To find the optimal approximate solution in the set SE to ...