Subj : Re: Idea - Tensor could be modelled by 2 arrays and a function To : alt.math,alt.sci.physics,comp.programming From : tadchem Date : Mon Aug 22 2005 05:49 pm "Mr Pixie" wrote in message news:XxicnQxrrNewiJfeSa8jmA@karoo.co.uk... I used to program extensively in APL. In APL all variables are treated as arrays. Matrix inversion and transposition are monadic operators. I wrote a multivariate linear regression in one line. What could be simpler? Go read up on linear algebra. Tom Davidson Richmond, VA .