x=L1*sin(v1)+L2*sin(v1+v2) y=L1*cos(v1)+L2*cos(v1+v2) 请问如何用matlab求出v1和v2的表达式?
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x=L1*sin(v1)+L2*sin(v1+v2) y=L1*cos(v1)+L2*cos(v1+v2) 请问如何用matlab求出v1和v2的表达式?
x=L1*sin(v1)+L2*sin(v1+v2) y=L1*cos(v1)+L2*cos(v1+v2) 请问如何用matlab求出v1和v2的表达式?
x=L1*sin(v1)+L2*sin(v1+v2) y=L1*cos(v1)+L2*cos(v1+v2) 请问如何用matlab求出v1和v2的表达式?
>> clear
>> syms x y L1 L2 V1 V2
>> [V1,V2]=solve('x=L1*sin(V1)+L2*sin(V1+V2)','y=L1*cos(V1)+L2*cos(V1+V2)','V1','V2')
V1 =
pi
z7
2*atan((2*L1*x - L1^2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2) - L2^2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2) + x^2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2) + y^2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2) + 2*L1*L2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2))/(L1^2 + 2*L1*y - L2^2 + x^2 + y^2))
2*atan((2*L1*x + L1^2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2) + L2^2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2) - x^2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2) - y^2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2) - 2*L1*L2*((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2))/(L1^2 + 2*L1*y - L2^2 + x^2 + y^2))
2*atan((L1*i + L2*i)/(L1 + L2))
V2 =
z
pi
-2*atan(((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2))
2*atan(((L1^2 + 2*L1*L2 + L2^2 - x^2 - y^2)/(- L1^2 + 2*L1*L2 - L2^2 + x^2 + y^2))^(1/2))
2*atan((L1*i + L2*i)/(L1 - L2))