n = [-8,-10,-12]
for val in n:
result= array([ 10**val,1,1])
print " n = " , val
print result
n = -8
[ 1.00000000e-08 1.00000000e+00 1.00000000e+00]
n = -10
[ 1.00000000e-10 1.00000000e+00 1.00000000e+00]
n = -12
[ 1.00000000e-12 1.00000000e+00 1.00000000e+00]