Months after CEO Sam Altman called China's DeepSeek R1 model 'impressive', OpenAI sends memo to US government saying Chinese company is 'cheating', it is using ...

DeepSeek R1 model debuted in January last year. After its launch, OpenAI CEO Sam Altman shared a post on X calling the AI model “impressive”, adding “.
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How to use the EXPAND function in Microsoft Excel

Lock dynamic arrays into fixed shapes so dashboards stay neat, tables stack cleanly, and templates keep their layout.
IEEE

Deep Reinforcement Learning-Based Adaptive Nulling in Phased Array Under Dynamic Environments

Abstract: A phased array consists of multiple antenna elements that can control the direction of the radiated signal by adjusting each antenna element’s phase and amplitude, which are encapsulated in ...
IEEE

3D transcranial Dynamic Ultrasound Localization Microscopy in the mouse brain using a Row-Column Array

Abstract:: To assess the role of brain hemodynamics in neurodegenerative diseases, current imaging technologies remain insufficient due to limitations in spatial or temporal resolution for ...