replaced np.NaN with np.nan

Author: bobmyhill

examples/example_fit_composition.py

@@ -191,8 +191,8 @@
     # Create empty arrays to store the weight proportions of each phase,
     # and the principal uncertainties (we do not use the covariances here,
     # although they are calculated)
-    weight_proportions = np.zeros((len(samples), len(phases))) * np.NaN
-    weight_proportion_uncertainties = np.zeros((len(samples), len(phases))) * np.NaN
+    weight_proportions = np.zeros((len(samples), len(phases))) * np.nan
+    weight_proportion_uncertainties = np.zeros((len(samples), len(phases))) * np.nan
 
     # Loop over the samples, fitting phase proportions
     # to the provided bulk composition

tutorial/tutorial_04_fitting.ipynb

@@ -483,9 +483,9 @@
         "# Create empty arrays to store the weight proportions of each phase,\n",
         "# and the principal uncertainties (we do not use the covariances here,\n",
         "# although they are calculated)\n",
-        "weight_proportions = np.zeros((len(samples), len(phases)))*np.NaN\n",
+        "weight_proportions = np.zeros((len(samples), len(phases)))*np.nan\n",
         "weight_proportion_uncertainties = np.zeros((len(samples),\n",
-        "                                            len(phases)))*np.NaN\n",
+        "                                            len(phases)))*np.nan\n",
         "\n",
         "residuals = []\n",
         "# Loop over the samples, fitting phase proportions\n",