python - Uniform spacing with Matplotlib and TeX -

i drawing graphs math class, , can't spacing peacewise definitions quite right in plot legend. using

\, 

for single space in tex, run situation 1 farther other maybe due how equations left take up. here code

import matplotlib.pyplot plt import numpy np import math math  # 0-1 x = np.linspace(0, 1) y = np.power(x, 2) plt.plot(x, y, label=r"$t^2 \,\,\,\,\,\, 0 \leq t \leq 1$")  #1-2 x = [1,2] y = [1,1] plt.plot(x, y, label=r"$1 \,\,\,\,\,\,\, 1 < t \leq 2$")  #2-3 x = np.linspace(2, 3) y = 3-x plt.plot(x, y, label=r"$3 - t \,\,\,\, 2 < t \leq 3$")   plt.grid() plt.axis([0,3,0,1.5]) plt.legend(loc='upper right') plt.show() 

here result

how format in way work regardless of pixel sizes on left?

you can improve on spacing accessing lower level of latex. begin, @ top of plots run:

from matplotlib import rc rc('text', usetex=true) 

using combination of \makebox , \hfill can pad out spaces between 2 sections:

label=r"\makebox[4cm]{$t^2$ \hfill $0 \leq t \leq 1$}" label=r"\makebox[4cm]{$1$ \hfill $1 < t \leq 2$}" label=r"\makebox[4cm]{$3 - t$ \hfill $2 < t \leq 3$}" 

admittedly isn't perfect, combination of multiple \makebox , fills can fine tune need. ideally, write custom legend handler "aware" of multi-line block of tex, i'm sure non-trivial.