Update inversion_1d.py

Author: kujaku11

mtpy/modeling/simpeg/recipes/inversion_1d.py

@@ -32,6 +32,7 @@
 
 from matplotlib import pyplot as plt
 import matplotlib.gridspec as gridspec
+from matplotlib.ticker import LogLocator
 
 # =============================================================================
 
@@ -457,6 +458,10 @@ def plot_response(self, iteration=None, fig_num=2):
         ax_model.set_ylabel("Depth (km)")
         ax_model.set_xscale("log")
         ax_model.set_yscale("symlog")
+        ax_model.yaxis.set_major_locator(LogLocator(base=10.0, numticks=10))
+        ax_model.yaxis.set_minor_locator(
+            LogLocator(base=10.0, numticks=10, subs="auto")
+        )
 
         nf = len(self.frequencies)