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function guiji
clc;clear all; format long;
global CL CD s m hs lo0 r0 mu E0 Ef rad
CL=0.3515;CD=1.4595;s=15.9;m=2804;hs=9354;lo0=0.0145;r0=3395.76*10^3;mu=4.284e+013;E0=1.5600418*10^7;...
    Ef=1.0766379*10^5;rad=57.325;
solinit=bvpinit(linspace(0,1,100),[1 1 1 1 1]);
sol=bvp4c(@f,@bcfun,solinit);
plot(sol.x(1,,sol.x(2,);
grid;
end

function dx=f(E1,x)
global CL CD s m hs lo0 r0 mu E0 Ef rad
L=lo0*(2.7183^(-(x(3)-r0)/hs))*s*CL*(E1*(Ef-E0)+E0+mu*(1/x(3)-1/r0))/m;
D=lo0*(2.7183^(-(x(3)-r0)/hs))*s*CD*(E1*(Ef-E0)+E0+mu*(1/x(3)-1/r0))/m;
g=mu/x(3)^2;
n=length(E1);

if E1>=0&&E1<=0.24
    sigma=-10/rad;
elseif 0.24     sigma=(E1^2-483.14*E1+95.096)/rad;
elseif E1>0.4&&E1<=0.61
    sigma=-80/rad;
elseif E1>0.61&&E1<=0.8
    sigma=(E1^2+840.69*E1-593.193)/rad;
elseif E1>0.8&&E1<=0.96
    sigma=80/rad;
elseif E1>0.96&&E1<0.97
    sigma=23.9733/rad;
elseif E1>0.97&&E1<=1
    sigma=-23.9733/rad;
end
%dx=zeros(5,10);
dx=[-(Ef-E0)/x(3)*cos(x(5)/rad)*cos(x(4)/rad)/cos(x(2)/rad)/D;
-(Ef-E0)/x(3)*cos(x(5)/rad)*sin(x(4)/rad)/D;
-(Ef-E0)*sin(x(5)/rad)/D;
(Ef-E0)*[L*sin(sigma)/D/cos(x(5)/rad)/(2*(E1*(Ef-E0)+E0+mu*(1/x(3)-1/r0)))...
        +cos(x(5)/rad)*cos(x(4)/rad)*tan(x(2)/rad)/x(3)/D];
-(Ef-E0)/(2*(E1*(Ef-E0)+E0+mu*(1/x(3)-1/r0)))*[L*cos(sigma)/D-(g...
    -(2*(E1*(Ef-E0)+E0+mu*(1/x(3)-1/r0)))/x(3))*cos(x(5)/rad)/D]];
end
function res=bcfun(xa,xb)
global CL CD s m hs lo0 r0 mu E0 Ef rad
res=[xa(1)+90.072;xa(2)+43.898;
    xa(3)-3520.76*10^3;xa(4)-7.99;
    xa(5)+14.15;xb(1)+73.26;
    xb(2)+41.45;xb(3)-3403.76*10^3];
endSample Text
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