Monthly Archives: February 2016

ORCID: Open Researcher and Contributor ID

An Open Researcher and Contributor ID, or ORCID, is a unique identifier for a researcher that allows research outputs to be associated with that researcher. If you have a common name, or have moved institutions during your career, then it … Continue reading

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The Serial, or Oxford, Comma

In the sentence The great historical heroes of applied mathematics include Archimedes, Newton, Euler, and Gauss. the comma before the “and” is known as a serial comma. Whether or not to include it is a matter of style. The serial … Continue reading

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Manchester Numerical Analysis Reports

This post is an edited and updated version of an article that I published in 2006 in the IMANA Newsletter (“Newsletter of the Numerical Analysis Group of the Institute of Mathematics and its Applications”). Very few issues of the Newsletter … Continue reading

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Principal Values of Inverse Cosine and Related Functions

I’ve recently been working, with Mary Aprahamian, on theory and algorithms for the matrix inverse sine and cosine and their hyperbolic counterparts. Of course, in order to treat the matrix functions we first need a good understanding of the scalar … Continue reading

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