/// <summary>
/// 产生符合指定概率的离散分布的随机数组。
/// </summary>
/// <param name="n">随机数组的大小。</param>
/// <param name="probabilities">各取值的概率数组。</param>
/// <returns>符合指定概率的离散分布的随机数组。</returns>
public static double[] GetDiscretDistributionArray(int n, double[] probabilities)
{
var array = new double[n];
for (var i = 0; i < n; i++)
{
array[i] = SortUtil.Discrete(probabilities);
}
return(array);
}