/// <summary>
/// 构造函数。
/// </summary>
/// <param name="paramNames">矩阵对应行列的名称</param>
/// <param name="matrix">矩阵</param>
public NamedMatrix(List <string> paramNames, double[][] matrix)
{
dict = new Dictionary <string, NamedVector>();
int oldLen = matrix.Length;
for (int i = 0; i < oldLen; i++)
{
string name = paramNames[i];
NamedVector cov = new NamedVector(name);
for (int j = 0; j < oldLen; j++)
{
cov.SetValue(paramNames[j], matrix[i][j]);
}
dict.Add(name, cov);
}
}
/// <summary>
/// 根据新的名称列表，生成新的矩阵。
/// </summary>
/// <param name="newParamNames">新矩阵行列名称</param>
/// <param name="DefaultValue">默认非对角线数值</param>
/// <param name="DefaultDiagonalValue">默认对角线数值的平方根</param>
/// <returns></returns>
public double[][] GetNewMatrix(List <string> newParamNames, double defaultVal, double DefaultDiagonalValue)
{
int newLen = newParamNames.Count;
double[][] newMatrix = MatrixUtil.CreateDiagonal(newLen, 0);
for (int i = 0; i < newLen; i++)
{
string name = newParamNames[i];
NamedVector sat = null;
if (dict.ContainsKey(name))
{
sat = dict[name];
}
else
{
sat = new NamedVector(name, defaultVal, DefaultDiagonalValue);
}
for (int j = 0; j < newLen; j++)
{
newMatrix[i][j] = sat.GetValue(newParamNames[j]);
}
}
return(newMatrix);
}
