non-linear equations solution in matlab

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Chithralekha
Chithralekha 2012-11-30
when i tried this program code to solve w0,w1,w2, i got a error message that"undefined function or variable w1.the program code is
syms w0,w1,w2
exp1=(w0^2+w1^2+w2^2)-A0;
exp2=(2*w1*(w0+w2))-A1;
exp3=(2*w0*w2)-A2
sol=solve(exp1,exp2,exp3);
sol.w0;
sol.w1;
sol.w2;
please help me

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回答（2 个）

Walter Roberson
Walter Roberson 2012-11-30
Change to
syms w0 w1 w2
Thomas
Thomas 2012-11-30
syms w0 w1 w2 A0 A1 A2
exp1=(w0^2+w1^2+w2^2)-A0;
exp2=(2*w1*(w0+w2))-A1;
exp3=(2*w0*w2)-A2
sol=solve(exp1,exp2,exp3);
sol.w0;
sol.w1;
sol.w2;

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