Function: gradient[1](tan(gradient[0](numbers("xxr"))) if tan(gradient[0](numbers("xxr"))) if numbers("xxr") > gradient[0](numbers("xxr")) else log(tan(gradient[0](numbers("xxr"))), gradient[0](numbers("xxr"))) > log(tan(gradient[0](numbers("xxr"))), gradient[0](numbers("xxr"))) else gradient[0](numbers("xxr")))
