analistica/ex-5/plot.py
Giù Marcer f60f1f65d3 ex-5: modified
A for-cycle has been implemented in order to produce a bunch of
results with different numbers of function-calls which can now
be plotted with plot.py, which has been added to the folder.
2020-07-05 11:35:48 +02:00

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import matplotlib.pyplot as plt
import numpy as np
import sys
calls, I_MC, σ_MC, I_MI, σ_MI, I_VE, σ_VE = np.loadtxt(sys.stdin, unpack=True)
exact = 1.7182818285
plt.rcParams['font.size'] = 17
plt.figure()
plt.title('Plain MC', loc='right')
plt.ylabel('$I^{oss}$')
plt.xlabel('calls')
plt.axhline(y=exact, color='#c556ea', linestyle='-', label='Exact value')
plt.errorbar(calls, I_MC, linestyle='', marker='o', yerr=σ_MC, color='#92182b', label='Plain MC')
plt.errorbar(calls, I_MI, linestyle='', marker='o', yerr=σ_MI, color='black', label='MISER')
plt.errorbar(calls, I_VE, linestyle='', marker='o', yerr=σ_VE, color='gray', label='VEGAS')
plt.legend()
plt.show()