2023高教社杯全國(guó)大學(xué)生數(shù)學(xué)建模競(jìng)賽B題 多波束測(cè)線問(wèn)題 代碼解析
因?yàn)橐恍┎豢煽沽Γ旅鎯H展示部分matlab代碼（第一問(wèn)的部分），其余代碼看文末
x=70;
d=[-4 -3 -2 -1 0 1 2 3 4];
d=70 - 200 * tand(1.5) * d;
w = zeros(1,9);
eta = zeros(1,9);
x0 = [100 100 100 100 100];
options = optimoptions(@fsolve, 'MaxFunctionEvaluations', 10000, 'MaxIterations', 10000);
temp = fsolve(@root5d_1, x0, options);
w(1) = temp(5);
eta(1) = 1-200/w(1);
temp = fsolve(@root5d_2, x0, options);
w(2) = temp(5);
eta(2) = 1-200/w(2);
temp = fsolve(@root5d_3, x0, options);
w(3) = temp(5);
eta(3) = 1-200/w(3);
temp = fsolve(@root5d_4, x0, options);
w(4) = temp(5);
eta(4) = 1-200/w(4);
temp = fsolve(@root5d_5, x0, options);
w(5) = temp(5);
eta(5) = 1-200/w(5);
temp = fsolve(@root5d_6, x0, options);
w(6) = temp(5);
eta(6) = 1-200/w(6);
temp = fsolve(@root5d_7, x0, options);
w(7) = temp(5);
eta(7) = 1-200/w(7);
temp = fsolve(@root5d_8, x0, options);
w(8) = temp(5);
eta(8) = 1-200/w(8);
temp = fsolve(@root5d_9, x0, options);
w(9) = temp(5);
eta(9) = 1-200/w(9);節(jié)選了部分：文章來(lái)源：http://www.zghlxwxcb.cn/news/detail-701049.html
function F = root5d_7(x)
theta=pi/3*2;alpha=1.5/180*pi;D1=59.5256313723252;
k0=cos(theta/2);k1=cos(theta);k2=cos(pi/2-(theta/2)-alpha);k3=cos(pi/2-(theta/2)+alpha);
F(1) = (x(1)).^2+D1*D1-2*k0*D1.*x(1)-(x(3)).^2;
F(2) = (x(1)).^2+(x(2)).^2-2*k1.*x(1).*x(2)-(x(5)).^2;
F(3) = (x(1)).^2+(x(3)).^2-2*k2.*x(1).*x(3)-D1*D1;
F(4) = (x(2)).^2+(x(4)).^2-2*k3.*x(2).*x(4)-D1*D1;
F(5) = x(4)+x(3)-x(5);
syms q w e r t
theta=120/180*pi;alpha=1.5/180*pi;D1=70;
k0=cos(theta/2);k1=cos(theta);k2=cos(pi/2-(theta/2)-alpha);k3=cos(pi/2-(theta/2)+alpha);
eqns = [0== (q).^2+D1.^2-2*k0*D1.*q-(e).^2,
0 == (q).*2+(w).*2-2*k1*q.*w-(t).*2,
0== (q).*2+(e).*2-2*k2*q.*e-D1*2,
0== (w).*2+(r).*2-2*k3*w.*r-D1*2,
0== r+e-t];
[q, w, e, r, t] = vpasolve(eqns, [q w e r t], [0,2000;0,2000;0,2000;1,2000;0,2000;])有關(guān)思路、相關(guān)代碼、講解視頻、參考文獻(xiàn)等相關(guān)內(nèi)容可以點(diǎn)擊下方群名片哦！文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-701049.html
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