Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: Question about solve
Replies: 2   Last Post: Dec 22, 2011 8:34 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
mailcwc@gmail.com

Posts: 52
Registered: 7/14/05
Question about solve
Posted: Dec 22, 2011 3:00 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

>> clear all
>> syms f n R1 R1 t
>> solve('1/f = (n-1)(1/R1-1/R2-n/(n-1)*t/R1/R2)','t')

Warning: Explicit solution could not be found.
> In solve at 81
ans =
[ empty sym ]

I tried to solve the LensMaker's equation for t as above,
but it didn't find the answer.

Do I use solve in the wrong way?

This equation should have explicit solution as in the following link.
http://is.gd/3E62xg







Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.