You are given an array of strings tokens that represents a valid arithmetic expression in Reverse Polish Notation. Return the integer that represents the evaluation of the expression. The operands may ...

Function calling has emerged as a transformative capability in AI systems, enabling language models to interact with external tools through structured JSON object generation. However, current ...

1 Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing, China 2 Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing, China Background: The ...

clmath can evaluate simple math expressions either as program arguments, or inside the math shell. clmath supports a strong toolset to store, display and evaluate algebraic functions. A function can ...

Objective: To evaluate the usefulness of thoracic excursion as a biomarker in patients with amyotrophic lateral sclerosis (ALS). Methods: We measured the forced the vital capacity (FVC), thoracic ...

The structural and functional alterations of microvessels are detected because of physiological aging and in several cardiometabolic diseases, including hypertension, diabetes, and obesity. The small ...

Can a brief multimedia intervention facilitate breast cancer patients’ communication about sexual health? Findings from a randomized controlled trial. This is an ASCO Meeting Abstract from the 2020 ...