matlab求方程组的解里含有未知数x1、x2、x3、y1、y2、y3、t1、t2、t3 c都是用公式能计算出来的具体值syms x y t;[x,y,t]=solve('(t1-t)*c=sqrt((x1-x)^2+(y1-y)^2)','(t2-t)*c=sqrt((x2-x)^2+(y2-y)^2)','(t3-t)*c=sqrt((x3-x)^2+(y3
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![matlab求方程组的解里含有未知数x1、x2、x3、y1、y2、y3、t1、t2、t3 c都是用公式能计算出来的具体值syms x y t;[x,y,t]=solve('(t1-t)*c=sqrt((x1-x)^2+(y1-y)^2)','(t2-t)*c=sqrt((x2-x)^2+(y2-y)^2)','(t3-t)*c=sqrt((x3-x)^2+(y3](/uploads/image/z/2493976-40-6.jpg?t=matlab%E6%B1%82%E6%96%B9%E7%A8%8B%E7%BB%84%E7%9A%84%E8%A7%A3%E9%87%8C%E5%90%AB%E6%9C%89%E6%9C%AA%E7%9F%A5%E6%95%B0x1%E3%80%81x2%E3%80%81x3%E3%80%81y1%E3%80%81y2%E3%80%81y3%E3%80%81t1%E3%80%81t2%E3%80%81t3+c%E9%83%BD%E6%98%AF%E7%94%A8%E5%85%AC%E5%BC%8F%E8%83%BD%E8%AE%A1%E7%AE%97%E5%87%BA%E6%9D%A5%E7%9A%84%E5%85%B7%E4%BD%93%E5%80%BCsyms+x+y+t%3B%5Bx%2Cy%2Ct%5D%3Dsolve%28%27%28t1-t%29%2Ac%3Dsqrt%28%28x1-x%29%5E2%2B%28y1-y%29%5E2%29%27%2C%27%28t2-t%29%2Ac%3Dsqrt%28%28x2-x%29%5E2%2B%28y2-y%29%5E2%29%27%2C%27%28t3-t%29%2Ac%3Dsqrt%28%28x3-x%29%5E2%2B%28y3)
matlab求方程组的解里含有未知数x1、x2、x3、y1、y2、y3、t1、t2、t3 c都是用公式能计算出来的具体值syms x y t;[x,y,t]=solve('(t1-t)*c=sqrt((x1-x)^2+(y1-y)^2)','(t2-t)*c=sqrt((x2-x)^2+(y2-y)^2)','(t3-t)*c=sqrt((x3-x)^2+(y3
matlab求方程组的解里含有未知数
x1、x2、x3、y1、y2、y3、t1、t2、t3 c都是用公式能计算出来的具体值
syms x y t;
[x,y,t]=solve('(t1-t)*c=sqrt((x1-x)^2+(y1-y)^2)','(t2-t)*c=sqrt((x2-x)^2+(y2-y)^2)','(t3-t)*c=sqrt((x3-x)^2+(y3-y)^2)')
得到的结果里表达式里却有未知数 请问如何解决?
x =
x3 + (c^2*t^2 - 2*c^2*t*t3 + c^2*t3^2 - y^2 + 2*y*y3 - y3^2)^(1/2)
x3 + (c^2*t^2 - 2*c^2*t*t3 + c^2*t3^2 - y^2 + 2*y*y3 - y3^2)^(1/2)
y =
x3 + (c^2*t^2 - 2*c^2*t*t1 + c^2*t1^2 - y^2 + 2*y*y1 - y1^2)^(1/2) + (c^2*t^2 - 2*c^2*t*t3 + c^2*t3^2 - y^2 + 2*y*y3 - y3^2)^(1/2)
x3 - (c^2*t^2 - 2*c^2*t*t1 + c^2*t1^2 - y^2 + 2*y*y1 - y1^2)^(1/2) + (c^2*t^2 - 2*c^2*t*t3 + c^2*t3^2 - y^2 + 2*y*y3 - y3^2)^(1/2)
t =
x3 + (c^2*t^2 - 2*c^2*t*t2 + c^2*t2^2 - y^2 + 2*y*y2 - y2^2)^(1/2) + (c^2*t^2 - 2*c^2*t*t3 + c^2*t3^2 - y^2 + 2*y*y3 - y3^2)^(1/2)
x3 + (c^2*t^2 - 2*c^2*t*t2 + c^2*t2^2 - y^2 + 2*y*y2 - y2^2)^(1/2) + (c^2*t^2 - 2*c^2*t*t3 + c^2*t3^2 - y^2 + 2*y*y3 - y3^2)^(1/2)
matlab求方程组的解里含有未知数x1、x2、x3、y1、y2、y3、t1、t2、t3 c都是用公式能计算出来的具体值syms x y t;[x,y,t]=solve('(t1-t)*c=sqrt((x1-x)^2+(y1-y)^2)','(t2-t)*c=sqrt((x2-x)^2+(y2-y)^2)','(t3-t)*c=sqrt((x3-x)^2+(y3
你把solve()括号内单引号和等号去掉,把等式改为算式,如'(t1-t)*c=sqrt((x1-x)^2+(y1-y)^2)',改为 (t1-t)*c-sqrt((x1-x)^2+(y1-y)^2),这样可以得到具体的数值.