如何使用结果计算下一个结果，然后再计算下一个结果？

Question

我正在尝试使用公式的结果计算下一个结果，然后再计算下一个结果，依此类推。

def waiting(element, start_waiting_time=0, service_time=1.2, interarrival=1,  default=0):
    if element == 1:
        return max((start_waiting_time + service_time - interarrival, 0))
    elif element == 0:
        return default

def waiting_time(elements, start_time=0):
    next_patient_waits = start_time
    for i in elements:
        next_patient_waits += waiting(i)
        print("{:.1f}".format(next_patient_waits))

elements = [1, 1, 1]
waiting_time(elements)

此代码 returns 输出：

# 0.2, 0.4, 0.6

我期待它 return 输出：

#0, 0.2, 0.4

我想将第一个 waiting_time 设置为 0，因为 start_waiting_time 为零。我希望计算机会计算：

#For 1st item in elements: waiting_time = 0
#For 2nd item in elements: waiting_time = (waiting time 1st element) + service_time - interarrival = 0 + 1.2 -1 = 0.2
#For 3rd item in elements: waiting_time = (waiting time 2nd element) + service_time - interarrival = 0.2 + 1.2 -1 = 0.4

Answer 1

您应该在增加 next_patient_waits 之前简单地打印它：

def waiting_time(elements, start_time=0):
    next_patient_waits = start_time
    for i in elements:
        print("{:.1f}".format(next_patient_waits))
        next_patient_waits += waiting(i)

如何使用结果计算下一个结果，然后再计算下一个结果？

How to use the result to compute the next result and then the next result after that?

python

math

loops

function

formula