Use a more complicated example

src/bisection-example-new.cc

@@ -201,8 +201,8 @@ void testSampleFunction() {
 
   SampleFunctional::SmallMatrix A;
   A[0][0] = 3;
-  A[0][1] = 0;
-  A[1][0] = 0;
+  A[0][1] = 1.5;
+  A[1][0] = 1.5;
   A[1][1] = 3;
   SampleFunctional::SmallVector b;
   b[0] = 1;
@@ -232,8 +232,8 @@ void testTrivialFunction() {
 
   SampleFunctional::SmallMatrix A;
   A[0][0] = 3;
-  A[0][1] = 0;
-  A[1][0] = 0;
+  A[0][1] = 1.5;
+  A[1][0] = 1.5;
   A[1][1] = 3;
   SampleFunctional::SmallVector b;
   b[0] = 1;