def edit(self, name, mark=False):
        self.api.edit(self, name, mark)
Takes logarithms and combines them using the following rules:
dataset/ETHPy150Open shichao-an/115wangpan/u115/api.py/BaseFile.edit--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/simplify/simplify.py/logcombine