Fix overlapping x-axis tick labels in the subspace figure

code/replot_all.py

@@ -138,6 +138,13 @@ for Um, c, mk, ls in ((2, "tab:orange", "s", "-."),
               marker=mk, label=f"$U{{=}}{Um}$")
 ax.set_xlabel("paired calibration samples $N$")
 ax.set_ylabel("subspace recovery error")
+# plain tick labels at the measured N values; suppress the crowded
+# mantissa minor labels of the default log locator
+from matplotlib.ticker import NullLocator
+Ns_ticks = [200, 400, 800, 1600, 3200, 6400]
+ax.set_xticks(Ns_ticks)
+ax.set_xticklabels([str(n) for n in Ns_ticks])
+ax.xaxis.set_minor_locator(NullLocator())
 ax.grid(True, which="both", alpha=0.3)
 ax.legend(loc="upper right", labelspacing=0.3)
 savefig(fig, "fig_e2_subspace.pdf")