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 2004
![[Graphics:Images/LUFactorMod_gr_22.gif]](../Images/LUFactorMod_gr_22.gif)
. Find
matrices L and U so that LU =
A. . Find
matrices L and U so that LU =
A. ![[Graphics:../Images/LUFactorMod_gr_23.gif]](../Images/LUFactorMod_gr_23.gif)
![[Graphics:../Images/LUFactorMod_gr_24.gif]](../Images/LUFactorMod_gr_24.gif){kind=small}
![[Graphics:../Images/LUFactorMod_gr_25.gif]](../Images/LUFactorMod_gr_25.gif)
![[Graphics:../Images/LUFactorMod_gr_26.gif]](../Images/LUFactorMod_gr_26.gif)
![[Graphics:../Images/LUFactorMod_gr_27.gif]](../Images/LUFactorMod_gr_27.gif)
![[Graphics:../Images/LUFactorMod_gr_28.gif]](../Images/LUFactorMod_gr_28.gif)
![[Graphics:../Images/LUFactorMod_gr_29.gif]](../Images/LUFactorMod_gr_29.gif)
![[Graphics:../Images/LUFactorMod_gr_30.gif]](../Images/LUFactorMod_gr_30.gif)
![[Graphics:../Images/LUFactorMod_gr_31.gif]](../Images/LUFactorMod_gr_31.gif)
![[Graphics:../Images/LUFactorMod_gr_32.gif]](../Images/LUFactorMod_gr_32.gif)
![[Graphics:../Images/LUFactorMod_gr_33.gif]](../Images/LUFactorMod_gr_33.gif)
![[Graphics:../Images/LUFactorMod_gr_34.gif]](../Images/LUFactorMod_gr_34.gif)
![[Graphics:../Images/LUFactorMod_gr_35.gif]](../Images/LUFactorMod_gr_35.gif)
![[Graphics:../Images/LUFactorMod_gr_36.gif]](../Images/LUFactorMod_gr_36.gif){kind=small}
![[Graphics:../Images/LUFactorMod_gr_37.gif]](../Images/LUFactorMod_gr_37.gif)
![[Graphics:../Images/LUFactorMod_gr_38.gif]](../Images/LUFactorMod_gr_38.gif){kind=small}