diff --git a/calculations.ipynb b/calculations.ipynb
index 3416f7a..e94cc84 100644
--- a/calculations.ipynb
+++ b/calculations.ipynb
@@ -24,12 +24,13 @@
     "d = 3\n",
     "n = 3\n",
     "N = 14\n",
-    "L::T = 16\n",
-    "μ::T = 0.5\n",
+    "L = 16\n",
+    "μ = 0.5\n",
     "n_imag = 0\n",
     "\n",
     "for ϕ::T in 0.2:0.05:0.4\n",
-    "    H = Hamiltonian{T}(V_gauss, d, n, N, L, ϕ, μ, n_imag, mode)\n",
+    "    s = system{T}(d, n, N, L)\n",
+    "    H = Hamiltonian{T}(s, V_gauss, ϕ, n_imag, mode)\n",
     "    @time evals, _, info = eig(H, 20)\n",
     "    \n",
     "    print(info.numops, \" operations\")\n",