Function: cos(log(square(numbers('ryy')), numbers('ryy')) if minus(log(square(numbers('ryy')), numbers('ryy')), square(numbers('ryy'))) if numbers('ryy') > log(square(numbers('ryy')), numbers('ryy')) else square(numbers('ryy')) > minus(log(square(numbers('ryy')), numbers('ryy')), square(numbers('ryy'))) else square(numbers('ryy')))
