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tony123321

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B=[10 20 30 40];A=[100 150 200 250];alpha_01=3;alpha_02=180-2*alpha_01;

syms x
x=vpasolve(A(1)==(x+2*(x-2*B(1)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))*cosd(alpha_01))*(B(1)-(x-2*B(1)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))+(x-2*B(1)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))*sind(alpha_01))/2+1/2*alpha_02*pi/180*((x-2*B(1)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))).^2-((x-2*B(1)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))).^2*sind(alpha_01)*cosd(alpha_01),x)
aa=double(x)

syms x
x=vpasolve(A(2)==(x+2*(x-2*B(2)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))*cosd(alpha_01))*(B(2)-(x-2*B(2)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))+(x-2*B(2)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))*sind(alpha_01))/2+1/2*alpha_02*pi/180*((x-2*B(2)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))).^2-((x-2*B(2)*tand(alpha_01))/(2*(cosd(alpha_01)+sind(alpha_01)*tand(alpha_01)-tand(alpha_01)))).^2*sind(alpha_01)*cosd(alpha_01),x)
aa=double(x)

.......
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