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ex-1: restore pdf-plot.py to its original content

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Giù Marcer 2020-06-05 23:46:32 +02:00 committed by rnhmjoj
parent b0b6aa4078
commit 0494bca049
1 changed files with 2 additions and 32 deletions
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ex-1/pdf-plot.py
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@ -9,41 +9,11 @@ plt.figure()
# plt.figure(figsize=(5, 3))
# plt.rcParams['font.size'] = 8
# useful coordinates
y_min = -0.0086 # y min axes
y_max = 0.1895 # y max axes
me = -0.22 # mode
f_me = 0.1806 # f(mode)
h_f_me = f_me/2 # falf f(mode)
x_m = -1.5867 # x₋
x_p = 2.4330 # x₊
# prepare plot
# draw the function
x, y = np.loadtxt(sys.stdin, unpack=True)
plt.title('Landau distribution', loc='right')
plt.xlim(-10, 10)
plt.ylim(y_min, y_max)
# draw the lines
plt.plot([-10, me], [f_me, f_me], color='gray')
plt.plot([me, me], [f_me, y_min], color='gray')
plt.plot([-10, x_p], [h_f_me, h_f_me], color='gray')
plt.plot([x_m, x_m], [y_min, h_f_me], color='gray')
plt.plot([x_p, x_p], [y_min, h_f_me], color='gray')
# draw the function
plt.plot(x, y, color='#92182b')
# draw the notes
s = 0.012
S = 0.2
plt.annotate('$f(m_e)$', [-10 + S, f_me - s])
plt.annotate('$f(m_e)/2$', [-10 + S, h_f_me - s])
plt.annotate('$x_-$', [x_m + S, y_min + s/2])
plt.annotate('$x_+$', [x_p + S, y_min + s/2])
plt.annotate('$m_e$', [me + S, y_min + s/2])
plt.tight_layout()
plt.show()
# plt.savefig('notes/images/1-notes.pdf')
# plt.savefig('notes/images/1-landau.pdf')