Created
November 8, 2020 15:47
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import os | |
import random as random | |
import math as math | |
import statistics as std | |
from bokeh.plotting import figure, output_file, show | |
os.system('cls') | |
tries = 10 | |
puntos = 100 | |
def estimar_pi(puntos): | |
in_circle_x = [] | |
in_circle_y = [] | |
out_circle_x = [] | |
out_circle_y = [] | |
pi_array =[] | |
for i in range(puntos): | |
pos_x = random.uniform(-1,1) | |
pos_y = random.uniform(-1,1) | |
if math.sqrt(pos_x**2 + pos_y**2) <= 1: | |
in_circle_x.append(pos_x) | |
in_circle_y.append(pos_y) | |
else: | |
out_circle_x.append(pos_x) | |
out_circle_y.append(pos_y) | |
estimate_pi = (4 * len(in_circle_x)) / puntos | |
return (estimate_pi, in_circle_x, in_circle_y, out_circle_x, out_circle_y) | |
#return () | |
def crear_muestra(tries): | |
pi_array =[] | |
for i in range(tries): | |
pivalor,in_circle_x, in_circle_y, out_circle_x, out_circle_y = estimar_pi(puntos) | |
pi_array.append(pivalor) | |
return (pi_array, in_circle_x, in_circle_y, out_circle_x, out_circle_y) | |
deviation = 1 # Valor inicial para poder empezar el ciclo while | |
presicion = 0.1 # Precision en cifras significativas para determinar el | |
# valor estimado de pi (CUIDADO!!!!) | |
iteration = 1 | |
while deviation >= (presicion / 1.96): | |
pi_array, in_circle_x, in_circle_y, out_circle_x, out_circle_y = crear_muestra(tries) | |
deviation = std.stdev(pi_array) | |
variance = std.variance(pi_array) | |
mean = std.mean(pi_array) | |
print(f'------------------ Iteracion number: {(iteration)} ------------------') | |
print(f'Standard deviation: {round(deviation,5)}, Variance : {round(variance,5)}, pi estimated: {round(mean,5)}') | |
print(f'Numero de intentos {tries}, Numero de puntos {puntos}\n\n') | |
#print(f) | |
puntos *= 10 | |
tries *= 10 | |
iteration += 1 | |
output_file("line.html") | |
plot = figure(plot_width=600, plot_height=600) | |
plot.circle(in_circle_x, in_circle_y, size=5, color="red", alpha=0.5) | |
plot.circle(out_circle_x, out_circle_y, size=5, color="navy", alpha=0.5) | |
show(plot) |
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