[Numpy-discussion] check for inequalities on a list

[Alan G Isaac]

On 5/10/2010 5:42 PM, gerardob wrote:
> I would like to check whether lower_bound[i]<= x[i]<= upper_bound[i] for
> all i in range(len(x))


>>> import numpy as np
>>> l, m, u = np.arange(12).reshape((3,4))
>>> (l <= m) & (m <= u)
array([ True,  True,  True,  True], dtype=bool)
>>> l[3]=9
>>> (l <= m) & (m <= u)
array([ True,  True,  True, False], dtype=bool)

hth,
Alan Isaac