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A1*sin(b*t1)+A2*sin(b*t2)=f3
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Constant  f1= ,   f2= ,  f3= ,  f4= , a= , b= ;  // ÐèÒª¾ßÌ帳ֵ
Parameter  a1, a2, t1, t2;
Function  a1*sin(a*t1)+a2*sin(a*t2)=f1;
               a1*cos(a*t1)+a2*cos(a*t2)=f2;
               a1*sin(b*t1)+a2*sin(b*t2)=f3;
               a1*cos(b*t1)+a2*cos(b*t2)=f4;

---------------------------------------------
Constant  f1=1,   f2=2,  f3=3,  f4=4, a=5, b= 6;  // ÐèÒª¾ßÌ帳ֵ
Parameter a1, a2, t1, t2;
Function a1*sin(a*t1)+a2*sin(a*t2)=f1;
               a1*cos(a*t1)+a2*cos(a*t2)=f2;
               a1*sin(b*t1)+a2*sin(b*t2)=f3;
               a1*cos(b*t1)+a2*cos(b*t2)=f4;
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a1: 0.739205438688126
a2: 3.70441317996417
t1: 0.0733162675184541
t2: 0.0754598392495781
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