One small problem with the ‘Zed is the fact that capturing an image from the screen is overly ... Now there’s a simple python script that grabs a screen cap from a Rigol scope.

We can represent this image as \(3\times 3\) matrix where each entry is a colour. Colours can be represented in many ways: HEX, RGB, HSL, CYMK. We'll represent a colour by a 3D vector of RGB values.