Application of Gray Markov Model in the Coal Mine Safety Faulty Forecast

The gray Markov model is a forecast model based on the gray system theory and Markov chain theory.It not only makes good use of the advantages of gray forecast model and Markov mode,but also solves efficiently the problem of low precision of number list forecast.What's more,according to the forecast about the rate of thousands wounded people,the gray Markov forecast model can satisfy the desire in forecast precision.