Investopedia

T-Test: What It Is With Multiple Formulas and When to Use Them

This calculation can be used for hypothesis testing in statistics Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...
Investopedia

Quantitative Investment Strategies: Models, Algorithms, and Techniques

Michael Schmidt, CFA, is a staff member of FINRA's Dispute Resolution Board with 20+ years of experience in the financial market. Doretha Clemons, Ph.D., MBA, PMP, has been a corporate IT executive ...
IEEE

The Active Visual Sensing Methods for Robotic Welding: Review, Tutorial, and Prospect

Abstract: The visual sensing system is one of the most important parts of the welding robots to realize intelligent and autonomous welding. The active visual sensing methods have been widely adopted ...
IEEE

Stability Analysis of Amplidyne Electrical Systems With Time-Varying Delay via a Matrix-Injection Method

Abstract: This brief is concerned with the stability analysis of amplidyne electrical systems (AESs) equipped with a delayed PI controller. Firstly, the model of AESs with time-varying delays and a PI ...