/// <summary>
/// 观测量的权逆阵，一个对角阵。
/// </summary>
/// <returns></returns>
private IMatrix BulidInverseWeightOfObs()
{
int row = this.ObsCount;
DiagonalMatrix inverseWeight = DiagonalMatrix.GetIdentity(row);
return(inverseWeight.Multiply(0.1 * 0.1));
}
