label = '\\makebox[4cm]{$t^2$ \\hfill $0 \\leq t \\leq 1$}'
label = '\\makebox[4cm]{$1$ \\hfill $1 < t \\leq 2$}'
label = '\\makebox[4cm]{$3 - t$ \\hfill $2 < t \\leq 3$}'
Uniform spacing with Matplotlib and TeX