It’s the sort of easy maths problem that you can work out in a few minutes using pencil and paper, but physicists in China, Canada and Singapore have now solved pairs of linear equations like this one ...

A step-by-step guide for applying an old DI that used simple circuits for PWM programming of standard bucking-type regulator ...

Mathematics of Computation, Vol. 23, No. 108 (Oct., 1969), pp. 787-812 (26 pages) The mathematical and numerical least squares solution of a general linear system of equations is discussed.

We investigate the convergence properties of a class of iterative methods for operator equations with bounded linear operators in Banach spaces and Hilbert spaces. For operators in a Banach space, ...