Fig. 6From: Transforming the canonical piecewise-linear model into a smooth-piecewise representationSmooth approximations for \({\text{abs}} = \left| x \right|\): \(lne\) for \(k_{1} = 1\), \(lch\) for \(k_{2} = 1\), and \(th\) for \(k_{3} = 0.4\) Back to article page