Example program for zgerfs
This example solves the system of equations
A
X
=
B
using iterative refinement and to compute the forward and backward error bounds, where
A
=
-
1.34
+
2.55
i
0.28
+
3.17
i
-
6.39
-
2.20
i
0.72
-
0.92
i
-
0.17
-
1.41
i
3.31
-
0.15
i
-
0.15
+
1.34
i
1.29
+
1.38
i
-
3.29
-
2.39
i
-
1.91
+
4.42
i
-
0.14
-
1.35
i
1.72
+
1.35
i
2.41
+
0.39
i
-
0.56
+
1.47
i
-
0.83
-
0.69
i
-
1.96
+
0.67
i
and
B
=
26.26
+
51.78
i
31.32
-
0
6.70
i
6.43
-
0
8.68
i
15.86
-
0
1.42
i
-
5.75
+
25.31
i
-
2.15
+
30.19
i
1.16
+
0
2.57
i
-
2.56
+
0
7.55
i
.
Here
A
is nonsymmetric and must first be factorized by
zgetrf
.
f90 source code
Input data file
Expected results