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借人气,急求教matlab绘图!

gxdk 发布于 2006-05-28 16:21, 959 次点击
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?

1 回复
#2
Genial2006-05-29 08:16
先用simple(还是simplify)看能否化简一下。
然后再处理。要是想直接得到b1的图像,用ezplot试试。
出现的逗号我也不清楚具体情况。是不是解的几个变量?解是个行向量。
matlab符号运算功能不是它的强项。
1