Problem with find() and vector assignment using ranges: vector=start:step:stop

[pete.F]

Hi,
I'm running octave V4.2.0 on windows and I'm having trouble with the
following commands:
>>L=1E-6:0.1E-6:500E-6;
>>find(L==33E-6)
ans= [] (1x0)

33E-6 is located within vector 'L' at index=321. But if I subtract 33E-6
from L(321) I get:

>>L(321)-33E-6
ans=-6.7763E-21

It appears that the scalar 33E-6 and the scalar L(321) don't have the same
precision...
I have verified the same functionality on V3.8.2 on windows.
Is this functionality intended?
Is there a better way to check for equality and locate an index?
Thanks in advance.





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