本文整理汇总了C#中System.Random.NextGaussian方法的典型用法代码示例。如果您正苦于以下问题:C# Random.NextGaussian方法的具体用法?C# Random.NextGaussian怎么用?C# Random.NextGaussian使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Random
的用法示例。
在下文中一共展示了Random.NextGaussian方法的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Driver
private static void Driver(
double averageRequestSize,
double standardDeviation,
Random random,
int simulationSteps,
int memorySize,
AllocationStrategy strategy,
out double averageSearchTime,
out double averageMemoryUtilization)
{
// Setup driver.
var mm = new MemoryManager(memorySize, strategy);
var reserved = new List<Allocation>();
// Statistics
long totalHolesExamined = 0;
double totalMemoryUtilization = 0;
for (int i = 0; i < simulationSteps; i++)
{
int requestSize = random.NextGaussian(averageRequestSize, standardDeviation, 1, memorySize);
int allocationAddr, holesExamined;
Allocation alloc;
while (mm.Request(requestSize, out allocationAddr, out holesExamined))
{
reserved.Add(alloc = new Allocation(allocationAddr, requestSize));
int placeToSwap = random.Next(reserved.Count);
reserved[reserved.Count - 1] = reserved[placeToSwap];
reserved[placeToSwap] = alloc;
totalHolesExamined += holesExamined;
requestSize = random.NextGaussian(averageRequestSize, standardDeviation, 1, memorySize);
}
// Count holes examined by failed request.
totalHolesExamined += holesExamined;
// Record memory utilization.
totalMemoryUtilization += reserved.Sum(allocation => allocation.Size) / (double)memorySize;
// Release a random reserved segment. Because the reserved list
// is randomly ordered, we simply (and efficiently) remove the
// last element.
if(reserved.Count > 0)
{
mm.Release(reserved[reserved.Count - 1].Address);
reserved.RemoveAt(reserved.Count - 1);
}
}
averageSearchTime = totalHolesExamined / (double) simulationSteps;
averageMemoryUtilization = totalMemoryUtilization / simulationSteps;
}
示例2: CreateRandomObjective
public static Objective CreateRandomObjective(int index)
{
// generate name
var name = $"Objective {index + 1}";
// generate contribution
var random = new Random(index);
var contributionCount = random.Next(10, 100);
var contributions = new List<ObjectiveContribution>();
var mean = 3;
var std = 5;
for (int i = 0; i < contributionCount; i++)
{
contributions.Add(new ObjectiveContribution
{
Timestamp = DateTime.Today.AddDays(i - contributionCount + 1),
Count = (int)Math.Round(Math.Max(random.NextGaussian(mean, std), 0))
});
}
// generate icon string
var iconName = GetRandomImageName(random);
// generate color string
string colorString = CreateRandomColor(random);
// generate default span
var defaultRowSpan = 1;
var defaultColumnSpan = (new int[] { 1, 2, 5 }).Contains(index) ? 2 : 1;
return new Objective { Name = name, Contributions = contributions, IconName = iconName, ColorString = colorString, RowSpan = defaultRowSpan, ColumnSpan = defaultColumnSpan };
}
示例3: Galaxy
public Galaxy(Random random)
{
int number = 1 + (int)Math.Abs(random.NextGaussian(0, 1000));
Systems = new List<CelestialSystem>(number);
for (int i = 0; i < number; i++)
{
CelestialSystem system = new CelestialSystem(random);
Systems.Add(system);
}
}
示例4: Universe
public Universe(Random random)
{
int number = 1 + (int)Math.Abs(random.NextGaussian(0, 10));
Galaxies = new List<Galaxy>(number);
for (int i = 0; i < number; i++)
{
Galaxy galaxy = new Galaxy(random);
Galaxies.Add(galaxy);
}
}
示例5: Game
public Game()
{
ResetToDefault();
ratioD = d2 / d1;
pixel_painter = new PixelPainter();
sprite_painter = new SpritePainter();
painter = sprite_painter;
rnd = new Random((int) DateTime.Now.ToBinary());
random_numbers = new double[asteriks_count_max];
for (var i = 0; i < asteriks_count_max; i++) random_numbers[i] = (rnd.NextGaussian(rnd.Next(-100, 100), 100 / 2));
render = new Thread(Render){ IsBackground = true };
}
示例6: GenerateData
/// <summary>
/// 引数に与えられた標準偏差を持つガウスノイズを加えられた<br />
/// sin 関数一周期分のデータを、引数に与えられた個数生成する。
/// </summary>
/// <param name="length">データ長。</param>
/// <param name="deviation">標準偏差。</param>
public static double[] GenerateData(int length, double deviation)
{
Random rnd = new Random();
var data = new double[length];
for (int i = 0; i < length; i++)
data[i] = Math.Sin(2 * Math.PI / length * i) + deviation * rnd.NextGaussian();
return data;
}
示例7: Main
public static void Main(String[] args)
{
Random random = new Random();
int length = 100;
double[] A = new double[length];
double[] B = new double[length];
double aAvg = 70.0;
double bAvg = 70.5;
for (int i = 0; i < length; i++)
{
A[i] = aAvg + random.NextGaussian();
B[i] = bAvg + random.NextGaussian();
}
Console.Out.WriteLine(@"A has length " + A.Length + @" and mean " + Mean(A));
Console.Out.WriteLine(@"B has length " + B.Length + @" and mean " + Mean(B));
for (int t = 0; t < 10; t++)
{
Console.Out.WriteLine(@"p-value: " + SigLevelByApproxRand(A, B));
}
}
示例8: CelestialBody
public CelestialBody(Random random, double mass)
{
Mass = mass;
int numSatellites = 0;
if ( !(this is Asteroid))
do
numSatellites = (int)Math.Abs(random.NextGaussian(0, 10));
while (numSatellites > 10);
Satellites = new List<CelestialBody>(numSatellites);
for (int i = 0; i < numSatellites; i++)
{
double massFraction, semimajorAxis, eccentricity;
do
massFraction = Math.Abs(random.NextGaussian(0, 0.001));
while (massFraction > 0.01);
do
semimajorAxis = Math.Abs(random.NextGaussian(0, SphereOfInfluence / 10));
while (semimajorAxis > SphereOfInfluence);
do
eccentricity = Math.Abs(random.NextGaussian(0, 0.1));
while (eccentricity > 1);
CelestialBody satellite = CreateFromMass(Mass * massFraction, random);
satellite.Primary = this;
satellite.SetOrbit(semimajorAxis, eccentricity);
Satellites.Add(satellite);
}
}