Function: minus(gradient[2](numbers("xxr")), numbers("xxr")) if gradient[2](numbers("xxr")) > gradient[2](numbers("xxr")) if numbers("xxr") > minus(gradient[2](numbers("xxr")), numbers("xxr")) else numbers("xxx") else product(gradient[2](numbers("xxr")) if numbers("xxx") > minus(gradient[2](numbers("xxr")), numbers("xxr")) else numbers("xxr"), minus(gradient[2](numbers("xxr")), numbers("xxr")))
