Your solution is very nice! I had a much longer sequence of steps.
More visibly your steps are
0j_1 * + 0j1 * 3j4
_3j4
that is
0j1 * 3j4
_4j3
+ 0j1 * 3j4
_4j_3
0j_1 * + 0j1 * 3j4
_3j4
--Kip Murray
Sent from my iPad
On Sep 16, 2013, at 12:46 AM, Roger Hui <[email protected]> wrote:
>> For complex analysis purists, it is possible to change the sign of the
> real part using only multiplication and conjugation -- an exercise left for
> the reader.
>
> +&.j. 3j4
> _3j4
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