Minimum of a 3-d quadratic centered at (1.0,1.0,1.0). Minimum is found along a series of radials. x y z minimum 1.138071 0.000000 0.804738 1.057191 1.218959 0.193064 0.872678 0.715299 1.247266 0.405261 0.927338 0.420134 1.218959 0.621090 0.967371 0.192580 1.134732 0.824431 0.991792 0.049044 1.000000 1.000000 1.000000 0.000000 0.824431 1.134732 0.991792 0.049044 0.621090 1.218958 0.967371 0.192580 0.405261 1.247266 0.927338 0.420135 0.193064 1.218959 0.872678 0.715299 0.000000 1.138071 0.804738 1.057191