Example program for ztbtrs
This example solves the system of equations
A
X
=
B
, where
A
=
-
1.94
+
4.43
i
0.00
+
0.00
i
0.00
+
0.00
i
0.00
+
0.00
i
-
3.39
+
3.44
i
4.12
-
4.27
i
0.00
+
0.00
i
0.00
+
0.00
i
1.62
+
3.68
i
-
1.84
+
5.53
i
0.43
-
2.66
i
0.00
+
0.00
i
0.00
+
0.00
i
-
2.77
-
1.93
i
1.74
-
0.04
i
0.44
+
0.10
i
and
B
=
-
8.86
-
0
3.88
i
-
24.09
-
0
5.27
i
-
15.57
-
23.41
i
-
57.97
+
0
8.14
i
-
7.63
+
22.78
i
19.09
-
29.51
i
-
14.74
-
0
2.40
i
19.17
+
21.33
i
.
Here
A
is treated as a lower triangular band matrix with two subdiagonals.
f90 source code
Input data file
Expected results