Example 2. Given . Find matrices L and U so that LU = A. Solution 2.
Use the LandU subroutine and construct matrices L and U so that LU = A.
Does L.U = A ?
(c) John H. Mathews 2003
![[Graphics:Images/LUfactorMod_gr_15.gif]](../Images/LUfactorMod_gr_15.gif)
. Find
matrices L and U so that LU =
A. . Find
matrices L and U so that LU =
A. ![[Graphics:../Images/LUfactorMod_gr_16.gif]](../Images/LUfactorMod_gr_16.gif)
![[Graphics:../Images/LUfactorMod_gr_17.gif]](../Images/LUfactorMod_gr_17.gif){kind=small}
![[Graphics:../Images/LUfactorMod_gr_18.gif]](../Images/LUfactorMod_gr_18.gif)
![[Graphics:../Images/LUfactorMod_gr_19.gif]](../Images/LUfactorMod_gr_19.gif)
![[Graphics:../Images/LUfactorMod_gr_20.gif]](../Images/LUfactorMod_gr_20.gif)
![[Graphics:../Images/LUfactorMod_gr_21.gif]](../Images/LUfactorMod_gr_21.gif)
![[Graphics:../Images/LUfactorMod_gr_22.gif]](../Images/LUfactorMod_gr_22.gif)
![[Graphics:../Images/LUfactorMod_gr_23.gif]](../Images/LUfactorMod_gr_23.gif)
![[Graphics:../Images/LUfactorMod_gr_24.gif]](../Images/LUfactorMod_gr_24.gif)
![[Graphics:../Images/LUfactorMod_gr_25.gif]](../Images/LUfactorMod_gr_25.gif){kind=small}
![[Graphics:../Images/LUfactorMod_gr_26.gif]](../Images/LUfactorMod_gr_26.gif)
![[Graphics:../Images/LUfactorMod_gr_27.gif]](../Images/LUfactorMod_gr_27.gif){kind=small}