Program finds the minimum of a function
with different trial starting vectors.
True minimum is (0.5,0.5,0.5)

Starting vector: (2.0000,0.0000,0.0000)
Iterations:   4
Solution vector: (0.4996,0.5000,0.5000)
Func. value at solution       0.000000

Starting vector: (1.8478,0.7654,0.0000)
Iterations:   4
Solution vector: (0.5000,0.5000,0.4999)
Func. value at solution       0.000000

Starting vector: (1.4142,1.4142,0.0000)
Iterations:   4
Solution vector: (0.5003,0.5003,0.4999)
Func. value at solution       0.000000

Starting vector: (0.7654,1.8478,0.0000)
Iterations:   5
Solution vector: (0.4999,0.5000,0.5002)
Func. value at solution       0.000000

Starting vector: (0.0000,2.0000,0.0000)
Iterations:   4
Solution vector: (0.5000,0.4996,0.5000)
Func. value at solution       0.000000