matlab解二元一次方程问题m=[2 2 1.75 1.75]; b=[28 25 25 29];c=[3.4 1.95 1.3 0.85];for i=1:4 [x,y]=solve('c(i)=(y/x)*(45/14)','67=((x+y)*m(i))/(2*cos(b(i)/180*pi))','x,y'); disp(x); disp(y);end为什么结果是这样的:(6030*cos((pi*b(i))/
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![matlab解二元一次方程问题m=[2 2 1.75 1.75]; b=[28 25 25 29];c=[3.4 1.95 1.3 0.85];for i=1:4 [x,y]=solve('c(i)=(y/x)*(45/14)','67=((x+y)*m(i))/(2*cos(b(i)/180*pi))','x,y'); disp(x); disp(y);end为什么结果是这样的:(6030*cos((pi*b(i))/](/uploads/image/z/11699804-20-4.jpg?t=matlab%E8%A7%A3%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E9%97%AE%E9%A2%98m%3D%5B2+2+1.75+1.75%5D%3B+b%3D%5B28+25+25+29%5D%3Bc%3D%5B3.4+1.95+1.3+0.85%5D%3Bfor+i%3D1%3A4+%5Bx%2Cy%5D%3Dsolve%28%27c%28i%29%3D%28y%2Fx%29%2A%2845%2F14%29%27%2C%2767%3D%28%28x%2By%29%2Am%28i%29%29%2F%282%2Acos%28b%28i%29%2F180%2Api%29%29%27%2C%27x%2Cy%27%29%3B+disp%28x%29%3B+disp%28y%29%3Bend%E4%B8%BA%E4%BB%80%E4%B9%88%E7%BB%93%E6%9E%9C%E6%98%AF%E8%BF%99%E6%A0%B7%E7%9A%84%EF%BC%9A%286030%2Acos%28%28pi%2Ab%28i%29%29%2F)
matlab解二元一次方程问题m=[2 2 1.75 1.75]; b=[28 25 25 29];c=[3.4 1.95 1.3 0.85];for i=1:4 [x,y]=solve('c(i)=(y/x)*(45/14)','67=((x+y)*m(i))/(2*cos(b(i)/180*pi))','x,y'); disp(x); disp(y);end为什么结果是这样的:(6030*cos((pi*b(i))/
matlab解二元一次方程问题
m=[2 2 1.75 1.75]; b=[28 25 25 29];c=[3.4 1.95 1.3 0.85];for i=1:4 [x,y]=solve('c(i)=(y/x)*(45/14)','67=((x+y)*m(i))/(2*cos(b(i)/180*pi))','x,y'); disp(x); disp(y);end
为什么结果是这样的:(6030*cos((pi*b(i))/180))/(m(i)*(14*c(i) + 45)) (1876*c(i)*cos((pi*b(i))/180))/(45*m(i) + 14*c(i)*m(i)) (6030*cos((pi*b(i))/180))/(m(i)*(14*c(i) + 45)) (1876*c(i)*cos((pi*b(i))/180))/(45*m(i) + 14*c(i)*m(i)) (6030*cos((pi*b(i))/180))/(m(i)*(14*c(i) + 45)) (1876*c(i)*cos((pi*b(i))/180))/(45*m(i) + 14*c(i)*m(i)) (6030*cos((pi*b(i))/180))/(m(i)*(14*c(i) + 45)) (1876*c(i)*cos((pi*b(i))/180))/(45*m(i) + 14*c(i)*m(i))?
matlab解二元一次方程问题m=[2 2 1.75 1.75]; b=[28 25 25 29];c=[3.4 1.95 1.3 0.85];for i=1:4 [x,y]=solve('c(i)=(y/x)*(45/14)','67=((x+y)*m(i))/(2*cos(b(i)/180*pi))','x,y'); disp(x); disp(y);end为什么结果是这样的:(6030*cos((pi*b(i))/
这样就对了.
m=[2 2 1.75 1.75]; b=[28 25 25 29];c=[3.4 1.95 1.3 0.85];
for i=1:4
syms x y
[x,y]=solve(c(i)-(y/x)*(45/14),67-((x+y)*m(i))/(2*cos(b(i)/180*pi)),'x','y');
X=double(x)
Y=double(y)
end