"><h1>A quick guide to Spot</h1><!--introduction--><p>Using explicit matrices is not practical for some very large problems. Instead, we can use Spot operators. A Spot operator represents a matrix, and can be treated in a similar way, but it doesn't rely on the matrix itself to implement most of the methods. This short guide will show you how to make and use Spot operators.</p><!--/introduction--><h2>Contents</h2><div><ul><li><a href="#1">Creating Operators</a></li><li><a href="#5">Applying Operators</a></l