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 (x1=x2 to stop): 0.565 x----------------------------------------------------------l l l lx x l x xl l xx x l l x xx l l x x l l x x l l x x l l xx xx l l x x l l xx xx l l xx xx l l xx xx l l xx xx l l xxxx xxxx l l xxxxxxxxxxxxx l l l l l l l 0.000 ------------------------------------------------------------ 0.600 1.500 Enter x1 x2 (x1=x2 to stop):