I know how to insert a subscript in a matplotlib plot using the following expression:
r'$P1_{ti-1}$'
However I would like to do a subscript of a subscript, something like:
r'$P1_{t}_{i-1}$'
where t is a subscript of P1 and i-1 is a subscript of t bt I cannot find any working example.
Thank you.
