At Manchester Mike used the toolbox to reduce the need for more expensive Mathworks toolboxes (it’s often faster too). Manchester had network licenses for some, but not all, of the Mathworks toolboxes. They occasionally run out of the more popular ones such as Statistics and Optimisation.
The NAG Toolbox helps because its licensing is essentially unlimited and it has a broad range of functionality. It has overlaps with the following Mathworks toolboxes (at least): Optimisation, Global Optimisation, Curve Fitting, Statistics, Financial, PDE and Wavelets.
Following a user request, Mike recently wrote an article on how to use the NAG Toolbox as a replacement for certain functionality in the Financial Toolbox – read his blog post.
Some other relevant links from his blog are
www.walkingrandomly.com/?p=2351 (An explicit usage case where I replaced a single function from statistics toolbox with the relevant one from NAG..that's all the user needed!)
www.walkingrandomly.com/?p=1552 (Another explicit usage case that resulted from a user query, this one didn't solve a license problem...it sped up the users code by a lot)
www.walkingrandomly.com/?p=1488 (Another one. This time from the optimisation toolbox. NAG is faster (sometimes) and saves on licensing.
*Mike has recently been awarded an EPSRC Research Software Engineering Fellowship and is working in Research Software Engineering at the University of Sheffield.
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