/// <summary>
/// 矩阵的LU分解
/// </summary>
/// <param name="CreateNewInstance">是否在运算中创建新实例</param>
/// <returns></returns>
public MatrixLU LU(bool CreateNewInstance = true)
{
return(new MatrixDecomposition(
CreateNewInstance ? elements.CopyMatrix() : elements).LU());
}