The best AI chatbots of 2025: I tested ChatGPT, Copilot, and others to find the top tools now

I pushed eight free AI chatbots to their limits, from writing stories to generating images, to build ZDNET's chatbot-by-chatbot guide to help you decide which is right for you.
IEEE

Fourth-Order Sparse Array Design From a Sum-Difference Co-Array Perspective

Abstract: Sparse arrays designed based on fourth-order difference co-array (DCA) can achieve significantly higher uniform degrees-of-freedom (uDOFs). However, most existing fourth-order sparse arrays ...
Investopedia

Gross Domestic Product (GDP) Formula and How to Use It

Find out how GDP can help measure the health of a country’s economy Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, ...
IEEE

A Novel Search-Based Compute-in-Memory Minimum Values Generation Scheme for Low-Complexity LDPC Min-Sum Decoding

Abstract: The generation of the minimum values (the first two minima and the index of the minimum) of numerous variable-to-check messages (V2CM) is the major bottleneck in efficient min-sum decoding ...
GitHub

Anayser: False positive: count() check in ternary not recognized as guaranteeing non-empty array

Mago reports a too-few-arguments error when using the splat operator with an array that has been verified to be non-empty via a count() check in a ternary operator ...