Analysis of reliability to the complex network is a NP-Hard problem. Searching for simple and accurateapproximation algorithms has high application value.
大型复杂网络的可靠性分析都是NP难题,寻求计算简单、准确的近似算法更具应用价值。
2
This approximation made the Julian calendar fairly accurate in tracking the annual seasons for several centuries. But eventually the approximation errors accumulated.
这种近似使儒略历准确工作了几百年,但是累计的误差也越来越大。
3
The technique isn't 100 percent accurate, but it will give you enough of an approximation to make some informed choices about which way to go.