Author Archives: Nick Higham

Bohemian Matrices in Manchester

Bohemian matrices are families of matrices in which the entries are drawn from a fixed discrete set of small integers (or some other discrete set). The term is a contraction of BOunded HEight Matrix of Integers and was coined by … Continue reading

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Conversations with Gil Strang

At JuliaCon 2018 in London, one of the keynote presentations was a conversation with Gil Strang led by Alan Edelman and Pontus Stenetorp. Gil is well known for his many books on linear algebra, applied mathematics and numerical analysis, as … Continue reading

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Tricks and Tips in Numerical Computing

In a keynote talk at JuliaCon 2018 I described a variety of tricks, tips and techniques that I’ve found useful in my work in numerical computing. The first part of the talk was about two aspects of complex arithmetic: the … Continue reading

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What’s New in MATLAB R2018a?

MATLAB R2018a was released in March 2018. With each biannual release I try to give a brief overview of the changes in MATLAB (not the toolboxes) that are of most interest to me. These are not comprehensive summaries of what’s … Continue reading

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How to Program log z

While Fortran was the first high-level programming language used for scientific computing, Algol 60 was the vehicle for publishing mathematical software in the early 1960s. Algol 60 had real arithmetic, but complex arithmetic had to be programmed by working with … Continue reading

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Lectures on Multiprecision Algorithms in Kácov

At the end of May, I was one of four lecturers at the ESSAM school on Mathematical Modelling, Numerical Analysis and Scientific Computing, held in Kácov, about a hour’s drive south-east of Prague in the Czech Republic. The event was … Continue reading

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Joan E. Walsh (1932–2017)

By Len Freeman and Nick Higham Joan Eileen Walsh was born on 7 October 1932 and passed away on 30 December 2017 at the age of 85. Joan obtained a First Class B.A. honours degree in Mathematics from the University … Continue reading

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Conference in Honour of Walter Gautschi

Last week I had the pleasure of attending and speaking at the Conference on Scientific Computing and Approximation (March 30-31, 2018) at Purdue University, held in honour of Walter Gautschi (Professor Emeritus of Computer Science and Mathematics at Purdue University) … Continue reading

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Palomino Blackwing Pencil Tribute to Ada Lovelace

Despite the deep penetration of digital tools into our lives, a lot of mathematics is still written by hand in pencil, and so it is appropriate that the Palomino Blackwing Volumes 16.2 pencil is a tribute to Ada Lovelace, the … Continue reading

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Photo Highlights of 2017

Here are some of my favourite photos taken at events that I attended in 2017. Atlanta (January) This was the first time I have attended the Joint Mathematics Meetings, which were held in Atlanta, January 4-7, 2017. It was a … Continue reading

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