Function: gradient[0](invert(numbers('xry'))) if square(numbers('xry') if numbers('yxr') > gradient[0](invert(numbers('xry'))) else invert(numbers('xry'))) > invert(numbers('xry')) else invert(numbers('xry')) if numbers('xry') > numbers('yxr') else gradient[0](invert(numbers('xry')))
