高考问答吴怡 逍遥的庄子:急求教matlab高手！！！！！！！
来源：百度文库 编辑：高考问答 时间：2024/04/29 21:34:29
用matlab求出方程组得一个解
[ atan(20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),-1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),-1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),-1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),-1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(-20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(-20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(-20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(-20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
请高手指教一下怎样画出关于变量b1的图形，还用括号中出现的逗号是怎么回事？
b1是一个角度，范围为0～90度
得出的这个解在workspace显示为8×1得值
还有用ezplot也不能画图
提示atan的问题
[ atan(20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),-1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),-1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),-1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),-1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(-20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(-20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(-20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
[ atan(-20/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*sin(b1),1.0000000000000000000000000000000/(2190400*sin(b1)^2+938961)*((2190400*sin(b1)^2+938961)*(1480*cos(b1)+1769))^(1/2)*(-37.+20.*cos(b1)))]
请高手指教一下怎样画出关于变量b1的图形，还用括号中出现的逗号是怎么回事？
b1是一个角度，范围为0～90度
得出的这个解在workspace显示为8×1得值
还有用ezplot也不能画图
提示atan的问题
我不太知道你的这么一大堆式子是什么意思,我平常画图用plot(cos(t),t);
或是freqz(cos(t))