How do I show logarithmically spaced grid lines at all ticks on a log-log plot using Matplotlib?

Question

I\'m trying to plot a log-log graph that shows logarithmically spaced grid lines at all of the ticks that you see along the bottom and left hand side of the plot. I\'ve bee

Answer 1

As @Bryce says, in older version of matplotlib correct kwarg is which=majorminor. I think that solid lines with a lighter color can be better than the dotted lines.

plt.grid(True, which="majorminor", ls="-", color='0.65')

Note that in the latest version of matplotlib this argument is replaced by 'both'.

plt.grid(True, which="both", ls="-", color='0.65')