@@ -220,8 +220,8 @@

    "source": [

     "import itertools\n",

     "learner2 = adaptive.Learner2D(ring, bounds=learner.bounds)\n",

-    "xs = np.linspace(*learner.bounds[0], learner.n**0.5)\n",

-    "ys = np.linspace(*learner.bounds[1], learner.n**0.5)\n",

+    "n = int(learner.n**0.5)\n",

+    "xs, ys = [np.linspace(*bounds, n) for bounds in learner.bounds]\n",

     "xys = list(itertools.product(xs, ys))\n",

     "learner2.add_data(xys, map(partial(ring, wait=False), xys))\n",

     "learner2.plot().relabel('Homogeneous grid') + learner.plot().relabel('With adaptive')"