PPS test grafy

2d_graph.py

import matplotlib.pyplot as plt

ekg_data = []
fpg_data = []

with open("./zadani/ekg.txt") as file:
    for line in file:
        ekg_data.append( float(line.replace("\n", "").replace("o", "0").replace(",", ".")) )

with open("./zadani/fpg.txt") as file:
    for line in file:
        fpg_data.append( float(line.replace("\n", "").replace("o", "0").replace(",", ".")) )


figure = plt.figure(1)
axes = figure.gca()
axes.plot(ekg_data, linestyle="-", color="green", linewidth=1.0)
plt.title("EKG")

figure2 = plt.figure(2)
axes2 = figure2.gca()
axes2.plot( fpg_data )
plt.title("FPG")

figure3 = plt.figure(3)
axes3 = figure3.gca()
axes3.plot( ekg_data, fpg_data )
plt.title("y = f(x)")
plt.ylabel("y")
plt.xlabel("x")

plt.show()

3d_graph.py

# mpl
import matplotlib
from mpl_toolkits.mplot3d import Axes3D
# np
import numpy
#plt
import matplotlib.pyplot

# Range pro float
def frange(x, y, jump):
  while x < y:
    yield x
    x += jump

# Netřeba
matplotlib.rcParams['legend.fontsize'] = 10

graph = matplotlib.pyplot.figure()
axes = graph.gca(projection='3d')

x_list = []
y_list = []
z_list = []

for x in frange(0, 2, 0.02):
    for y in frange(0, 2, 0.02):

        z = ( numpy.sin(2*x)+numpy.cos(2*y) ) / (1+x+y)

        x_list.append(x)
        y_list.append(y)
        z_list.append(z)

axes.plot(x_list, y_list, z_list, label='test')
axes.legend()

matplotlib.pyplot.show()

determinant.py

import numpy
from numpy.linalg import det

a = [[1,2], [-2,1], [2,5], [1,1]]
b = [[1,2], [0.5, 3]]
c = [[1,4,2,1],[3,2,0,1]]

# Násobení A*B
ab = numpy.dot(a,b)

# Násobení A*B*C
abc = numpy.dot(ab,c)

detabc = numpy.linalg.det(abc)

# Determinant ABC
print(round(detabc,3))