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求解一个方程:
>> syms v t R a y
>> q1=sym('v*t/2=R*a');
>> q2=sym('4*R*(sin(a/2))^2=y');
>> [x,y]=solve(q1,q2,'a','R')
就是联立以上2个方程,解出,a、R用v、t、y表示。
小白求指导!!~~~
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