Enter vector direction along which to
 plot the function. Minimum is in the
 direction 1.0,1.0,1.0 - Enter X,Y,Z:
  Enter x1,x2 (= to stop)
  9.840E-02 x----------------------------------------------------------l
            lx                                                         l
            l x                                                        l
            l  x                                                       l
            l   x                                                      x
            l    xx                                                  xxl
            l      x                                                x  l
            l       xx                                            xx   l
            l         xx                                         x     l
            l           x                                      xx      l
            l            xx                                  xx        l
            l              xxx                            xxx          l
            l                 xxx                       xx             l
            l                    xxx                xxxx               l
            l                       xxxxxxxxxxxxxxxx                   l
            l                                                          l
            l                                                          l
            l                                                          l
            l                                                          l
            l                                                          l
  0.000E+00 ------------------------------------------------------------
             9.000E-01                                         1.200E+00
  Enter x1,x2 (= to stop)