Example program for dtbtrs
This example solves the system of equations
A
X
=
B
, where
A
=
-
4.16
0.00
0.00
0.00
-
2.25
4.78
0.00
0.00
0.00
5.86
6.32
0.00
0.00
0.00
-
4.82
0.16
and
B
=
-
16.64
-
4.16
-
13.78
-
16.59
13.10
-
4.94
-
14.14
-
9.96
.
Here
A
is treated as a lower triangular band matrix with one subdiagonal.
f90 source code
Input data file
Expected results