/// <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)
{
double[] array = new double[n];
for (int i = 0; i < n; i++)
{
array[i] = SortUtil.Discrete(probabilities);
}
return(array);
}
/// <summary>
/// 产生符合泊松分布的随机数组。
/// </summary>
/// <param name="n">随机数组的大小。</param>
/// <returns>符合泊松分布的数组。</returns>
public static double[] GetPossionDistributionArray(int n)
{
double[] array = new double[n];
for (int i = 0; i < n; i++)
{
array[i] = SortUtil.Poission(20);
}
return(array);
}
/// <summary>
/// 产生符合几何分布的随机数组。
/// </summary>
/// <param name="n">随机数组的大小。</param>
/// <param name="p">几何分布的概率。</param>
/// <returns>符合几何分布的随机数组。</returns>
public static double[] GetGeometricDistributionArray(int n, double p)
{
double[] array = new double[n];
for (int i = 0; i < n; i++)
{
array[i] = SortUtil.Geometry(p);
}
return(array);
}
/// <summary>
/// 获取符合标准正态分布的 double 数组。
/// </summary>
/// <param name="n">数组大小。</param>
/// <returns>符合标准正态分布的 double 数组。</returns>
public static double[] GetNormalDistributionArray(int n)
{
double[] array = new double[n];
for (int i = 0; i < n; i++)
{
array[i] = SortUtil.Normal(0, 1);
}
return(array);
}