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15.3.9  LDL decomposition

The ldl command computes the LDL decomposition of the given symmetric (real or complex) or Hermitian matrix A.

Example

A:=[[1,-1,2],[-1,4,3],[2,3,-5]]
     



1−12
−143
23−5



          
ldl(A)
     

0,2,1
,






100
210
−1
5
9
1






,






100
0−90
00
52
9






          

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