The symmetric positive definite matrix again 101
INVERSE OF INVERSE INVERSE OF INVERSE
ROW 1 ROW 1
1 .999994
ROW 2 ROW 2
1 2 -1 2
ROW 3 ROW 3
.999999 2 3 -.999987 0 2.99997
ROW 4 ROW 4
.999999 2 3 4 -.999989 0 .999976 3.99998
ROW 5 ROW 5
1 2 3 4 5 -.999999 0 .999978 1.99998 4.99998