Folks,
I want to index a[j,k], clipping j or k to the edge if they're 1 off --
def aget( a, j, k ):
""" -> a[j,k] or a[edge] """
# try:
# return a[j,k] -- nope, -1
# except IndexError:
m,n = a.shape
return a[ min(max(j, 0), m-1), min(max(k, 0), n-1)]
This works but is both ugly and 5* slower than plain a[j][k].
Is there a better way ?
(Sorry if this is a duplicate, must come up often.)
cheers
-- denis
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