Example program for zpbcon
This example estimates the condition number in the
1
-norm (or
∞
-norm) of the matrix
A
, where
A
=
9.39
+
0.00
i
1.08
-
1.73
i
0.00
+
0.00
i
0.00
+
0.00
i
1.08
+
1.73
i
1.69
+
0.00
i
-
0.04
+
0.29
i
0.00
+
0.00
i
0.00
+
0.00
i
-
0.04
-
0.29
i
2.65
+
0.00
i
-
0.33
+
2.24
i
0.00
+
0.00
i
0.00
+
0.00
i
-
0.33
-
2.24
i
2.17
+
0.00
i
.
Here
A
is Hermitian positive definite, and is treated as a band matrix, which must first be factorized by
zpbtrf
. The true condition number in the
1
-norm is
153.45
.
f90 source code
Input data file
Expected results