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Abstract: The frequency response function (FRF) is a fundamental property of a linear time-invariant system that describes the system's frequency-dependent behavior. Accurately measuring the FRF of ...

In statistics, the score function is the gradient of the log-likelihood function with respect to the parameters, used to measure the sensitivity of the likelihood function to the parameters. The score ...

Simple daily habits—deep breathing, exercise, posture, and diet—can strengthen lungs, reduce infection risk, and improve overall wellness. (Image: Pexels) Our lungs spend whatever second ticking of ...