Learn What GROUPBY Can Really Do in Excel : From Smart Sorting to Percent of Totals

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and ...
IEEE

Human Gait Cost Function Varies With Walking Speed: An Inverse Optimal Control Study

Abstract: This work investigates the optimal cost function composition for human gait at different walking speeds. Kinematic and kinetic data for walking at four walking speeds were collected from ...
IEEE

Non-Additive Cost Functions for JPEG Steganography Based on Block Boundary Maintenance

Abstract: Recent advances show that a reasonable non-additive cost function can significantly improve the security level of additive cost based steganography. So far, there is only one principle, ...
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Neural network cost functions explained & how to choose

Confused about cost functions in neural networks? In this video, we break down what cost functions are, why they matter, and which types are best for different applications—from classification to ...