Nick Higham

What Is the Spectral Radius of a Matrix?

What Is a Hessenberg Matrix?

The Power of Bidiagonal Matrices

What Is an Invariant Subspace?

What Is a Submatrix?

What Is a Flop?

Hamilton, the Quaternions, and Creativity

What Is the Pseudoinverse of a Matrix?

What Is the Numerical Range of a Matrix?

Wilkinson’s Rounding Errors Book Reprinted by SIAM