News
For research papers, literature reviews, or longer essays, a concept matrix can be an effective resource in organizing research. A concept matrix is an organizational tool that presents connections ...
Solid-phase extraction has several advantages over liquid/liquid extraction for extractables and leachables studies. rui vale sousa/shutterstock.com An extractable/leachable (E/L) study is routinely ...
Finite Sample Approximation Results for Principal Component Analysis: A Matrix Perturbation Approach
The Annals of Statistics, Vol. 36, No. 6, High Dimensional Inference and Random Matrices (Dec., 2008), pp. 2791-2817 (27 pages) Principal component analysis (PCA) is a standard tool for dimensional ...
Botulinum toxin A(BoNT/A) is a neurotoxin produced by the bacteria Clostridium botulinum, which can cause serious food poisoning and is recognized as a potential biological warfare agent. BoNT/A is ...
Let $\{X_{ij}\}$, i, j =..., be a double array of i.i.d. complex random variables with EX₁₁ = 0, E|X₁₁|² = 1 and E|X₁₁|⁴ < ∞, and let $A_{n}=\frac{1 ...
“Hello, I am the AI assistant from Bairong Yunchuang. Don’t I look cool? How can I assist you?” At the 2025 World Intelligent ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results