transpose D=15log(pont/pin) change subject to pin

Assuming that you are using natural logs here, the only issue here is to remember that if a = ln(b), then e^a =b:

A side note ebaines:

I think that it was P_in and P_out :)

Quote:

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Originally Posted by Unknown008

A side note ebaines:

I think that it was P_in and P_out :)

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Perhaps it was - although in that case the OP misspelled P_out, twice...