MATLAB: What’s wrong in this code, place of the t

place of variable

there is something wrong in this line:

x(t) = A*e^(-zeta*wn*t)*cos(wn*sqrt(1-zeta)t-fi);

what it is? thankyou

Best Answer

Assuming everything else in your code works, you’re missing a multiplication operator between (1-zeta) and t:

x(t) = A*e^(-zeta*wn*t)*cos(wn*sqrt(1-zeta)*t-fi);

See if substituting this line solves your problem.

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MATLAB: What’s wrong here

There is nothing wrong with that code. Please tell us the entire error message, not a small part of it like you did. What you showed is not a MATLAB error message. How do I know? Well it doesn't have line numbers or function names for one thing. Also tell us the value of i when it errors. With syntax errors, it's possible that the error actually starts on the line before what it says.

MATLAB: What’s wrong in this

K = randi([1 10],5,2) ;
I = [] ; J = [] ;
for j = 1:size(K,2)
    for i = 1:size(K,1)
        if K(i,j)<i*j
            I = [I ; i] ;
            J = [J ; j] ;
        end
    end
end

Best Answer

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MATLAB: What’s wrong in this

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