#!/usr/bin/python
# -*- coding: utf-8 -*-    ## MUSS in 1. oder 2. Zeile
# name plot_1.py

import numpy as np
import matplotlib.pyplot as plt

t = np.linspace(-1.0, 2.0, 10)
y = 2*t**3 - 3*t**2 + 1

plt.plot(t, y,'*')
plt.show()