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Topic: how solve this equation with one unknown?
Replies: 6   Last Post: May 6, 2013 10:38 AM

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 ghasem Posts: 118 Registered: 4/13/13
Re: how solve this equation with one unknown?
Posted: May 6, 2013 10:38 AM

> syms my_var;
> EDU>> det_A
> det_A =
> - 15000*(- my_var^2 - 70)^(1/2)*(- my_var^2 - 150)^(1/2)*
> besselk(1, (- my_var^2 - 70)^(1/2))*
> besseli(0, (- my_var^2 - 100)^(1/2))*besseli(0, (- my_var^2 -
> <snip>
> solve(det_A)
> ans =
> 9.4713545425002677821820583754265*i
> --Nasser

=======================================
thanks a alot,but "solve and syms" cause my results become false (in fact,I have complex number instead of 70,150,100 in the above).
I want to use from "fzero" only,but (when I use from intermediate parameters of gr1,gr2,gr3) I don't know how introduce "my_var" to "g1" to solve it.
is clear my explanation?
ghasem

Date Subject Author
5/6/13 Nasser Abbasi
5/6/13 ghasem
5/6/13 ghasem
5/6/13 Nasser Abbasi
5/6/13 ghasem