MATLAB program to find the roots of an equation
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Write a MATLAB program to find the roots of the following equation for 0.2≤C≤2 (take ∆ C=0.1). Then plot the obtained roots versus the constant C. cos(x)=C*x
That's my try and I don't know what I did wrong
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Steven Lord
2018 年 7 月 21 日
This sounds like a homework assignment. If you show us what you've tried already to solve the problem and ask a specific question about where you're having difficulty we may be able to offer suggestions for how to proceed.
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Basil C.
2018 年 7 月 21 日
Instead of using fsolve try using vpasolve
syms x
c=0.2:0.1:2;
y=cos(x)-c*x;
for i=1:numel(y)
sol(i)=vpasolve(y(i),x);
end
Now you can continue with plotting the graph
the approximate solution of each equation is stored in the variable sol
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