solve not returning answers

Hi. I'm having touble solving this set of equations in Matlab.
syms a b;
eq1=2==cos(a)+(3/5)*sqrt(5)*cos(b);
eq2=0==sin(a)+(3/5)*sqrt(5)*sin(b);
eqns=[eq1, eq2];
solve(eqns,[a b])
ans = struct with fields:
a: [2×1 sym] b: [2×1 sym]
The answers should be 36.9 and -26.6 degrees. But I cannot get this with solve. Any feedback is appreciated. Thanks!

 采纳的回答

Hi RH,
I think you have to index into the answer since the ans variable is a struct, try the following
syms a b;
eq1=2==cos(a)+(3/5)*sqrt(5)*cos(b);
eq2=0==sin(a)+(3/5)*sqrt(5)*sin(b);
eqns=[eq1, eq2];
x = solve(eqns,[a b]);
disp(x.a)
disp(x.b) % indexing into x
I hope this solves your query
Thank you

更多回答(0 个)

类别

帮助中心File Exchange 中查找有关 Mathematics 的更多信息

产品

版本

R2022a

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by