param_class.py 文件源码

def perturb(self):
        ''' 
        Systematically change which item is absent from the list
        '''
        self.n = self.n + 1
        if self.n >= len(self.val_init):
            self.n = 0
        index = [1 for i in range(len(self.val_init))]
        index[self.n] = 0

        self.val_list = list(itertools.compress(self.val_init, index))