Most modern graphing calculators can find curves of best fit. I have a TI-83, and would be happy to provide more details on how to do it, or punch in the numbers if you don't have access to one.
John ----- Original Message ----- From: "Jeff Dilcher" <[email protected]> To: <pinhole-discussion@p at ???????> Sent: Tuesday, June 19, 2001 8:03 AM Subject: [pinhole-discussion] Reciprocity Problem > > > *** Warning *** > *** Technical Question Follows ** > ** press delete key if technical questions bother you ** > > > I have a technical question, that, perhaps someone on > the list can help me with. Please respond > directly if you like. > > I am trying to develop a mathematical function which will > help determine reciprocity compensations. > > Initially, I would like to be able to submit a small set of > reference values (metered exposure times along with > exposure time compensation for reciprocity). Using these, > I would like be able to enter in any exposure value, and > get a corresponding compensated value on the reciprocity > "curve". > > I am trying to boil this down into an algebraic equation > as easily as is possible. I have quickly reached the > endpoint of my math abilities. Can anyone provide a clue > for me? > > > _______________________________________________ > Pinhole-Discussion mailing list > Pinhole-Discussion@p at ??????? > unsubscribe or change your account at > http://www.???????/discussion/ >
