👉 In mathematics, a cofeature is a feature that can be expressed as a function of another feature. In other words, it's a property that is not directly measurable but can be measured through an appropriate function. For example, if we have a feature x and a feature y, we could define the co-feature between them as f(x, y) = xy. For instance, let's say we have two features x and y in a system of linear equations: x + 2y =
