# work/git/mixpp/bdm/math/libDC.h File Reference

Matrices in decomposed forms (LDL', LU, UDU', etc). More...

`#include <itpp/itbase.h>`
`#include "../itpp_ext.h"`

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## Classes
class | sqmat
| Virtual class for representation of double symmetric matrices in square-root form. More...
class | fsqmat
| Fake sqmat. This class maps sqmat operations to operations on full matrix. More...
class | ldmat
| Matrix stored in LD form, (commonly known as UD). More...
## Functions
void | dydr (double *r, double *f, double *Dr, double *Df, double *R, int jl, int jh, double *kr, int m, int mx)
| Auxiliary function dydr; dyadic reduction.
mat | ltuinv (const mat &L)
| Auxiliary function ltuinv; inversion of a triangular matrix;.

## Detailed Description

Matrices in decomposed forms (LDL', LU, UDU', etc).

Author:
  Vaclav Smidl.

----------------------------------- BDM++ - C++ library for Bayesian Decision Making under Uncertainty

Using IT++ for numerical operations -----------------------------------