@article{GriewankStreubelLehmannetal.2018, author = {Andreas Griewank and Tom Streubel and Lutz Lehmann and Manuel Radons and Richard Hasenfelder}, title = {Piecewise linear secant approximation via algorithmic piecewise differentiation}, journal = {Optimization Methods and Software}, volume = {33}, number = {4-6}, pages = {1108 -- 1126}, doi = {10.1080/10556788.2017.1387256}, year = {2018}, }