因此,我一直在研究线性同余生成器,但是我坚持认为一旦脚本运行后,它总是以相同的方式生成。如果我运行这样的脚本;
import random
print(random.randrange(0,9))
每次运行脚本时,它将生成一个新的随机数。我想知道它是如何做到的。
这就是我到目前为止所得到的;
from collections import Counter
class linearCongruentialGenerator(object):
def __init__(self, lowBound, highBound, length):
self.lowBound, self.highBound, self.length = lowBound, highBound, length
self.modulus = 20226231145#modulus
self.multiplier = 104743412357321567#multiplier
self.increment = 1049592131123467#increment
self.seed = 43123211114#seed
def __iter__(self):
while self.length > 0:
self.length -= 1
self.seed = (self.multiplier*self.seed + self.increment) % self.modulus
yield (self.seed % self.highBound)
def linearCongruentialGenerator(self, first, last):
self.seed = (self.multiplier*self.seed + self.increment) % self.modulus
return self.seed
def binary(self):
self.seed = (self.multiplier*self.seed + self.increment) % self.modulus
self.seedLength = len(str(seed))
return (self.seed // 10**1 % 10) % 2
if __name__ == "__main__":
random = linearCongruentialGenerator(0, 9, 100)
random1 = linearCongruentialGenerator(0, 9, 100)
list1 = []
list2 = []
for i in random:
list1.append(i)
for j in random1:
list2.append(j)
print(Counter(list1))
print(len(set(list1)))
print(Counter(list2))
print(len(set(list2)))
此脚本计算由linearCongruentialGenerator类生成的数字,然后打印分布:number:count。
我希望每次运行脚本时脚本都生成新值。无需使用python随附的随机类。因为那是骗人的:D
不确定如何解决此问题吗?
答案 0 :(得分:2)
只需执行确保该问题不会随机发生的操作,请将init设置为time.time(),这样它就始终以当前时间为seed = time.time()