本文整理汇总了C#中Normal.Samples方法的典型用法代码示例。如果您正苦于以下问题:C# Normal.Samples方法的具体用法?C# Normal.Samples怎么用?C# Normal.Samples使用的例子?那么恭喜您, 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Normal
的用法示例。
在下文中一共展示了Normal.Samples方法的3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: CreateStartingVectors
/// <summary>
/// Returns an array of starting vectors.
/// </summary>
/// <param name="maximumNumberOfStartingVectors">The maximum number of starting vectors that should be created.</param>
/// <param name="numberOfVariables">The number of variables.</param>
/// <returns>
/// An array with starting vectors. The array will never be larger than the
/// <paramref name="maximumNumberOfStartingVectors"/> but it may be smaller if
/// the <paramref name="numberOfVariables"/> is smaller than
/// the <paramref name="maximumNumberOfStartingVectors"/>.
/// </returns>
private static IList<Vector> CreateStartingVectors(int maximumNumberOfStartingVectors, int numberOfVariables)
{
// Create no more starting vectors than the size of the problem - 1
// Get random values and then orthogonalize them with
// modified Gramm - Schmidt
var count = NumberOfStartingVectorsToCreate(maximumNumberOfStartingVectors, numberOfVariables);
// Get a random set of samples based on the standard normal distribution with
// mean = 0 and sd = 1
var distribution = new Normal();
Matrix matrix = new DenseMatrix(numberOfVariables, count);
for (var i = 0; i < matrix.ColumnCount; i++)
{
var samples = new Complex[matrix.RowCount];
var samplesRe = distribution.Samples().Take(matrix.RowCount).ToArray();
var samplesIm = distribution.Samples().Take(matrix.RowCount).ToArray();
for (int j = 0; j < matrix.RowCount; j++)
{
samples[j] = new Complex(samplesRe[j], samplesIm[j]);
}
// Set the column
matrix.SetColumn(i, samples);
}
// Compute the orthogonalization.
var gs = matrix.GramSchmidt();
var orthogonalMatrix = gs.Q;
// Now transfer this to vectors
var result = new List<Vector>();
for (var i = 0; i < orthogonalMatrix.ColumnCount; i++)
{
result.Add((Vector)orthogonalMatrix.Column(i));
// Normalize the result vector
result[i].Multiply(1 / result[i].Norm(2), result[i]);
}
return result;
}
示例2: CanSampleSequence
public void CanSampleSequence()
{
var n = new Normal();
var ied = n.Samples();
ied.Take(5).ToArray();
}
示例3: CanEstimateParameters
public void CanEstimateParameters(double mean, double stddev)
{
var original = new Normal(mean, stddev, new Random(100));
var estimated = Normal.Estimate(original.Samples().Take(10000));
AssertHelpers.AlmostEqual(mean, estimated.Mean, 2);
AssertHelpers.AlmostEqual(stddev, estimated.StdDev, 2);
}