subplot - Multiplot with matplotlib without knowing the number of plots before running -


i have problem, matplotlib subplot confuses me. not know number of subplots want plot beforehand, know want them in 2 rows. cannot use 

plt.subplot(212)

because don't know number should provide.

it should this:

example plot

right plot plots folder , put them illustrator, there has better way matplotlib. can provide code if unclear somewhere.

my understanding know number of plots @ runtime , hence struggling shorthand syntax, e.g.:

plt.subplot(121)

thankfully, save having awkward math figure out number programatically, there interface allows use form:

plt.subplot(n_cols, n_rows, plot_num)

so in case, given want n plots, can do:

n_plots = 5 # (or many programatically figure out need) n_cols = 2 n_rows = (n_plots + 1) // n_cols plot_num in range(n_plots):    ax = plt.subplot(n_cols, n_rows, plot_num)    # ... plotting

alternatively, there more pythonic interface may wish aware of:

fig, subplots = plt.subplots(n_cols, n_rows) ax in subplots:    # ... plotting

(notice subplots() not plain subplot()). although must admit, have never used latter interface.

hth


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