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C# PositiveDefiniteMatrix.Inverse方法代码示例

本文整理汇总了C#中PositiveDefiniteMatrix.Inverse方法的典型用法代码示例。如果您正苦于以下问题:C# PositiveDefiniteMatrix.Inverse方法的具体用法?C# PositiveDefiniteMatrix.Inverse怎么用?C# PositiveDefiniteMatrix.Inverse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PositiveDefiniteMatrix的用法示例。


在下文中一共展示了PositiveDefiniteMatrix.Inverse方法的2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: LogAverageFactor

		/// <summary>
		/// Evidence message for EP
		/// </summary>
		/// <param name="Sample">Constant value for 'sample'.</param>
		/// <param name="MeanMean">Buffer 'MeanMean'.</param>
		/// <param name="MeanVariance">Buffer 'MeanVariance'.</param>
		/// <param name="Precision">Constant value for 'precision'.</param>
		/// <returns>Logarithm of the factor's average value across the given argument distributions</returns>
		/// <remarks><para>
		/// The formula for the result is <c>log(factor(sample,mean,precision))</c>.
		/// </para></remarks>
		public static double LogAverageFactor(Vector Sample,
			[Fresh] Vector MeanMean,
			[Fresh] PositiveDefiniteMatrix MeanVariance,
			PositiveDefiniteMatrix Precision)
		{
			return VectorGaussian.GetLogProb(Sample, MeanMean, Precision.Inverse() + MeanVariance);
		}
开发者ID:dtrckd,项目名称:Mixed-Membership-Stochastic-Blockmodel,代码行数:18,代码来源:VectorGaussianOp.cs

示例2: Recalculate

		/// <summary>
		/// Function to recalulate KBB and InvKBB
		/// </summary>
		protected void Recalculate()
		{
			int numBas = NumberBasisPoints;
			int numFeat = NumberFeatures;

			if (prior == null || numBas <= 0 || numFeat <= 0) {
				ClearCachedValues();
			} else {
				kBB = prior.Covariance(basis);
				invKBB = kBB.Inverse();
				//invKBB = new PositiveDefiniteMatrix(NumberBasisPoints, NumberBasisPoints);
				//LowerTriangularMatrix lt = new LowerTriangularMatrix(NumberBasisPoints, NumberBasisPoints);
				//lt.SetToCholesky(kBB);
				//invKBB.SetToIdentity();
				//invKBB.PredivideBy(lt);
				//invKBB.PredivideByTranspose(lt);
			}
		}
开发者ID:xornand,项目名称:Infer.Net,代码行数:21,代码来源:SparseGPFixed.cs


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