dynsys

# arrange, linspace, pi, zeros, sin, cos
import numpy
# plot, show, legend, xlabel, ylabel, figure, axis
import matplotlib.pyplot as plot

# numpy.arrange = zakres od do krok
# numpy.linspace = od do ilosc krokow

x = numpy.arange(0, 10, .01)
y1 = numpy.sin(2*x)
y2 = numpy.cos(3*x)
plot.figure(1)
plot.plot(x, y1, 'k', label='sinus')
plot.plot(x, y2, 'g', label='cosinus')
plot.legend(loc='upper right')
plot.xlabel('os x', fontsize=14)
plot.ylabel('os y', fontsize=14)
# plot.figure(2)
plot.plot(y1, y2)
plot.axis('equal')

plot.show()