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How to solve for subscripted assignment mismatch error in for loop?

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Anuudari Burenbat
Anuudari Burenbat 2015-3-29
评论： Anuudari Burenbat 2015-4-2
I am trying to solve an equation for a variable given another variable values and a parameter. Gamma is the given variable and I will solve for K. I tried using for loop, but I cannot get the solution due to an error: Subscripted assignment dimension mismatch.
c=5;
rho=0.06;
mu=0;
psi=1;
i=1;
sigma = 0.1;
gamma = 0:0.01:0.2;
beta_1 = 1/2 - mu/sigma^2 + sqrt((mu/sigma^2 - 1/2)^2 + 2*rho/sigma^2);
solK = zeros(1,21);
for n = 0:20
K = sym('K');
eqn = (beta_1-2)*psi*K/(c*rho) - (rho + beta_1*0.01*n*K)/(rho + 0.01*n*K)^2 == i/c;
solK(1,n+1) = solve(eqn, K);
end
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Geoff Hayes
Geoff Hayes 2015-3-31
Anuudari - what does solve(eqn, K) return? Put a breakpoint at this line and then run your code. When the debugger pauses here, run
solve(eqn, K)
in the Command Window. Look at the result and its type by using class. When you have done so, does it make sense to assign the above to
solK(1,n+1)

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回答（1 个）

Stalin Samuel
Stalin Samuel 2015-3-29
i am not sure but if you do like below error removed
solK(n+1) =solve(eqn, K);

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