LaTeX not rendering properly in title of matplotlib plot

Question

I have the following code but the title does not render correctly.

#!/usr/bin/python
import matplotlib.pyplot as plt
import numpy as np

t = np.array([0.19641715476064042,
 0.2524989689506581,
 0.3411612727146944,
 0.4232070334074150])

c = np.array([0.17999670292553419,
 0.21057542001074211,
 0.2752899228849294,
 0.36577079519040556])


plt.rc('text', usetex=True)
plt.rc('font', family='serif')
plt.title('$P(A_i = 0| A_j = 0 \forall j < i)$')

plt.plot(t, '-go', markerfacecolor='w', linestyle= 'dotted', label='n=20')
plt.plot(c, '-bo',  markerfacecolor='w', linestyle= 'dotted', label='n=22')
plt.legend()
plt.show()

Here is an image of what I see from the rendered image. What should I be doing instead?

enter image description here

David Zwicker · Accepted Answer · 2014-11-28 23:53:42Z

4

You could use a raw string to prevent the \f from having a special meaning:

plt.title(r'$P(A_i = 0| A_j = 0 \forall j < i)$')

Note that the string starts with an r, which makes it a raw string.

answered Nov 28, 2014 at 23:53

David Zwicker

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1 Comment

MaxNoe Over a year ago

A small comment: Use \mid instead of | for better spacind.

TheBigH · Accepted Answer · 2014-11-28 17:29:35Z

2

You need to escape the "\f"

 plt.title('$P(A_i = 0| A_j = 0 \\forall j < i)$')

See the double "\"? This causes the "\f" not to be interpreted as a form feed.

answered Nov 28, 2014 at 17:29

TheBigH

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