#exer 5.7

#Create an array w with values 0.1,0.1,0.2,..., 3.
#Write out w[:], w[:-2], w[::5], w[2:-2:6]

from numpy import *

w = linspace(0,3,31)

print(w[:])
print(w[:-2])
print(w[::5])
print(w[2:-2:6])

"""
Terminal> python slicing.py 
[ 0.   0.1  0.2  0.3  0.4  0.5  0.6  0.7  0.8  0.9  1.   1.1  1.2  1.3  1.4
  1.5  1.6  1.7  1.8  1.9  2.   2.1  2.2  2.3  2.4  2.5  2.6  2.7  2.8  2.9
  3. ]
[ 0.   0.1  0.2  0.3  0.4  0.5  0.6  0.7  0.8  0.9  1.   1.1  1.2  1.3  1.4
  1.5  1.6  1.7  1.8  1.9  2.   2.1  2.2  2.3  2.4  2.5  2.6  2.7  2.8]
[ 0.   0.5  1.   1.5  2.   2.5  3. ]
[ 0.2  0.8  1.4  2.   2.6]
"""