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authorEugeniy Mikhailov <evgmik@gmail.com>2011-04-13 10:51:05 -0400
committerEugeniy Mikhailov <evgmik@gmail.com>2011-04-13 10:51:05 -0400
commit5fd9b5510e7a00295e6e6184a2e73953a2b182ab (patch)
tree0b792346a57aafefc5708015db45904f1ea2cdc2 /cavity.m
parent8dc8b38794731c43e5a9a7e65174370504a9e15f (diff)
downloadmode_match-5fd9b5510e7a00295e6e6184a2e73953a2b182ab.tar.gz
mode_match-5fd9b5510e7a00295e6e6184a2e73953a2b182ab.zip
moved cavity calculations to separate folder
Ignore-this: b94054824a279aa64b0da28d0cc41bf9 darcs-hash:20110413145105-067c0-44e9a3c8220b834fe364debabeac7495e1533e44
Diffstat (limited to 'cavity.m')
-rw-r--r--cavity.m21
1 files changed, 0 insertions, 21 deletions
diff --git a/cavity.m b/cavity.m
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+++ /dev/null
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-function answ=q_diff_after_cavity(q_initial)
- # A B C D should be defined as global variables outside as well
- # they represent elements of cavity ABCD matrix
- global A B C D ;
- q_diff=(A*(q_initial(1)+q_initial(2)*1i)+B)/(C*(q_initial(1)+q_initial(2)*1i) +D)-(q_initial(1)+q_initial(2)*1i) ;
- answ=[real(q_diff), imag(q_diff)];
-endfunction
-
-
-## looks like it always return some result even if cavity is unstable ##
-function answ=find_q_at_the_mirror(q_initial_guess)
- [q_array,info]=fsolve("q_diff_after_cavity", [real(q_initial_guess),imag(q_initial_guess)]);
- if ( info == 1 )
- answ=q_array(1)+q_array(2)*1i ;
- else
- error("unable to find waste at mirror of the cavity, may be cavity is unstable")
- quit()
- endif
-endfunction
-
-