numpy 數組元素篩選

a = np.arange(15)

# Method 1
index = np.where((a >= 5) & (a <= 10))
a[index]

# Method 2:
index = np.where(np.logical_and(a>=5, a<=10))
a[index]
# > (array([6, 9, 10]),)

# Method 3: (thanks loganzk!)
a[(a >= 5) & (a <= 10)]