THE value of Dr. McLachlan's book to engineer users of Bessel functions will depend on the kind of engineer who refers to it. Probably the electrical or acoustical engineer will be well pleased and ...

Abstract: This paper aims to provide a tutorial on the visualization of complex functions. The MATLAB-based package ComplexGUI was prepared to illustrate mappings by elementary complex functions. The ...

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The Bessel beam, with a significant depth of field and self-healing characteristics, has been applied in widespread applications, including quantum entanglement, underwater 3D imaging, optical ...

How to apply multiple filtering criteria by combining AND and OR operations with the FILTER() function in Excel Your email has been sent Applying multiple criteria against different columns to filter ...

Congress is considering a massive overhaul of the nation’s scientific enterprise, much of it in the name of ensuring competitiveness with China and other nations that are pouring billions into ...

DISQUIET IS growing about “gain-of-function” (GOF) research, a form of genetic manipulation on micro-organisms. Some anxiety stems from the idea that such work was responsible for creating SARS-CoV-2, ...

Republicans say a letter from a National Institutes of Health official is an admission that the agency funded so-called gain-of-function research on bat coronaviruses in China, with some falsely ...

MEET A REGULAR If you spend enough time scrutinizing the best-seller list, you may notice that it has a lot in common with a party. There are guests who drop in, pop a bottle of champagne and exit ...

1 School of Information Engineering, Nanchang University, Nanchang, China. 2 Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics, Huazhong University of ...