I am trying to write some variable alpha with a subscript "mod" while putting text on one of my plots in matplotlib. I know how to do one-letter or one-number subscripts via doing some along the lines of:
r'$\alpha_i$'
which prints alpha with a subscript of "i", but is there anyway to code this so it can write multiple letters as subscripts instead of just one. When I do
r'$\alpha_mod$'
it print alpha with a subscript of "m" with od in normal letters
Here is a quick example:
import matplotlib.pyplot as plt
ax = plt.gca()
ax.text(2, 2, r'$\alpha_mod$', fontsize=10)
y = [2,3,4,5]
x = [1,2,3,4]
plt.plot(x,y)
plt.show()
Short answer: Use curly brackets $\\alpha_{mod}$
Longer version: Matplotlib uses LaTeX format for strings. In LaTeX, if you want a subscript to include more than one letter you have to use curly brackets.
import matplotlib.pyplot as plt
ax = plt.gca()
ax.text(2, 2, r'$\alpha_{mod}$', fontsize=10)
y = [2,3,4,5]
x = [1,2,3,4]
plt.plot(x,y)
plt.show()
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