Code covered by the BSD License
 ...
 BHT_operators(r,z,K1,K2,P...Authored by Joshua Soneson 2007
 BHT_parameters(z,r,H)Authored by Joshua Soneson 2007
 BHT_plots(z,r,t,t_peak,Tp...Authored by Joshua Soneson 2007, updated 2010
 KZK_axial_plots(z,Ix,p5,H...Authored by Joshua Soneson 2007
 KZK_operators.mAuthored by Joshua Soneson 2007
 KZK_radial_plots(r,Ir,H,p...Authored by Joshua Soneson 2007
 TDNL(u,U,X,K,J,c,cutoff,P...Authored by Joshua Soneson 2007, updated 2010
 axisymmetricBHT(z,r,H)Authored by Joshua Soneson 2007, updated 2010
 axisymmetricKZK.mAuthored by Joshua Soneson 2008, updated 2010
 computational_grid.mAuthored by Joshua Soneson 2007
 equivalent_time.mAuthored by Joshua Soneson 2007
 initial_condition(J,K,G,r...Authored by Joshua Soneson 2007, updated 2010
 matrixize(v,A,J,K)Authored by Joshua Soneson 2007
 plot_waveform(p0,f,X,z,K)Authored by Joshua Soneson 2007
 timing(p1,p2,t_start,z,d)Authored by Joshua Soneson 2007
 vektorize(v,A,J,K)Authored by Joshua Soneson 2007

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High intensity focused ultrasound simulator
by
Josh Soneson
29 Mar 2011
Simulates high intensity focused ultrasound beams and heating effects in layered media

equivalent_time.m 
%% Authored by Joshua Soneson 2007
function[T]=equivalent_time(T,N,T0)
% Computes the integrand of the CEM43 thermal dose integral for
% an Nvector of temperatures T.
diff = 43T0;
for n=1:N
if(T(n)<=diff)
T(n) = 0.25^(diffT(n));
else
T(n) = 0.5^(diffT(n));
end; end


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